The author of Hebrews wrote to encourage his audience in Christ lest they falter from their faith. The heroes of Israel were examples of faithfulness despite greater opposition than what the audience of Hebrews or Jesus endured (Heb 11:1-12:2). The author of Hebrews encouraged his audience to look out for one another (Heb 3:12-14; 10:19-25; 12:14-17) that they might endure the persecution that had come upon them (Heb 10:32-34). Israel’s failure to enter God’s rest provided an example of what the author of Hebrews wanted his audience to avoid. He surveyed the storyline of the Old Testament from Genesis-Psalms to remind his audience of their special place in God’s plan of redemption, in Christ.
(1) In Heb 3:5, the author noted Moses’ faithfulness to God in the old covenant. When Moses led Israel out of Egypt with signs and wonders, the Lord confirmed Moses as the leader of Israel. After Israel crossed the Red Sea on dry ground and Pharaoh’s army drowned in the returning waters, the Israelites feared the Lord and believed in Him and His servant Moses (Exod 14:31). When Miriam and Aaron rebelled against Moses, the Lord spoke to them in a pillar of cloud at the entrance of the tabernacle and reaffirmed that Moses was His special servant, the one with whom He spoke directly (Num 12:7-8). In Deut 18:15, Moses told Israel that one day the Lord would raise up a prophet like him and they should listen to the one the Lord would send them. The author of Hebrews affirmed that Moses was faithful as a servant in God’s household but said that Christ was faithful as the Son over God’s household (Heb 3:6a). The author identified believers as those belonging to Christ’s household provided that they would confidently maintain their hope in Him unto the end (Heb 3:6b).
(2) In Heb 3:8-11, 13, 15; 4:3, 7, the author quoted from Psalm 95 to warn his audience concerning the dangers of apostasy. David wrote Psalm 95 to exhort Israel to worship the Lord faithfully—lest they resemble the wilderness generation that failed to persevere in faith and were prevented from entering the Promised Land. David noted that as early as Exodus 17, just after the exodus, the wilderness generation complained against God for lack of water. And they complained when the spies sent to scout out Canaan returned with an unfaithful report about the prospects of taking the land (Numbers 12-14). Because of the latter failure, David noted, the Lord forbade Israel from entering His rest in the Promised Land. In applying Psalm 95 to his audience, the author of Hebrews said, “Watch out, brothers, so that there won’t be in any of you an evil, unbelieving heart that departs from the living God” (Heb 3:12). To accomplish this, the believers—companions of the Messiah (Heb 3:14)—needed to encourage each other daily and be reminded that none of the rebellious in the wilderness generation survived (Heb 3:16-19).
(3) In Heb 4:4, the author quoted Gen 2:2 as the basis of his observation that a Sabbath rest remained for those in the household of Christ. Though the wilderness generation failed to enter God’s rest, that did not mean that the promise of entering God’s rest was nullified. The author of Hebrews noted that after completing His work of creation, God rested (Gen 2:2). God instituted the Sabbath as a day in which Israel could experience His rest every week (Exod 16:23; 20:8-11; Exod 35:1-3; Deut 5:12-15) and promised to drive out Israel’s enemies in Canaan so that the Promised Land could be a place of rest for His people (Exod 33:14; Josh 21:43-45). The author of Hebrews observed that: (a) since the promise of a Sabbath rest with God had never been repealed, and (b) the wilderness generation did not enter that rest even under Joshua’s leadership—verified by David’s statement in Ps 95:11 that Israel did not enter God’s rest in the Promised Land (Heb 3:11; 4:3, 5), then (c) a promised Sabbath rest was available perpetually and eternally for his audience as they obeyed Christ. The author urged his readers to labor that they might enter God’s rest (Heb 4:11) because, “the word of God is living and effective and sharper than any two-edged sword, penetrating as far as to divide soul, spirit, joints, and marrow; it is a judge of the ideas and thoughts of the heart” (Heb 4:12). Since God’s rest could be found in Christ, the High Priest of the new covenant, the author urged his readers, saying, “Let us approach the throne of grace with boldness, so that we may receive mercy and find grace to help us at the proper time” (Heb 4:16).

Hebrews 5-7
By setting forth the superiority of Jesus’ high priesthood, the author of Hebrews sought to prove his thesis that during times of testing believers should look to Jesus for help. The flow of thought in Hebrews 5-7 would not be valid if both the author and the audience had not understood the Old Testament itself as a valid witness of God’s historical dealings with humanity. The author understood the Old Testament in light of Christ, and the storyline of redemptive history.
(1) In Heb 5:5, the author applied Ps 2:7 to Jesus in order to reinforce that God had addressed Jesus as His Son, authenticating the Son’s priestly ministry on earth. In Psalm 2, the psalmist portrayed Israel’s King as God’s representative on earth. God anointed the King and addressed the King as His Son (Ps 2:2, 7). From Mount Zion, God’s anointed King ruled with might (Ps 2:6-9). Thus, in vain the leaders of the earth took their stand against the Lord and His Son Who ruled as King (Ps 2:2). In Hebrews 1-2, the author compared Jesus to angels and argued that God’s revelatory work in Jesus surpassed what He had given through angels. The author cited Ps 2:7 in Heb 1:5 to accentuate his point. He wrote, “For to which of the angels did He ever say, ‘You are My Son; today I have become Your Father.” In the author of Hebrews’ logic, Ps 2:7 was God’s word to Jesus seated at His right hand. The author of Hebrews also saw in Ps 2:7 God’s word confirming Jesus’ priestly authority. In Heb 5:1-4, the author noted that priests in the old covenant dealt mercifully with the people because the priests themselves also had sins for which they had to offer sacrifices. Serving as a priest was an honorable mediatorial task as the priest stood between God and man and lived to tell about it. No man took the priestly office for himself but had to be called by God to stand before God on behalf of sinners. Jesus too, the author of Hebrews wrote, did not of Himself become a high priest who would lay down His life for the sins of the people (Heb 2:17-18; 4:14-16). Instead, in accord with Ps 2:7, God said to Jesus, “You are My Son; today I have become Your Father” (Heb 5:5).
(2) In Heb 5:6; 6:20; 7:17, 21 the author applied Ps 110:4 to Jesus in order to portray God’s oath that Jesus is an eternal priest. The author of Psalm 110 recorded God’s oath which established Israel’s king in a place of political and religious authority over the nation. The king is seated at God’s right hand (Ps 110:1) and God is at his right hand (Ps 110:5). God promised that the king would rule with power over his enemies, crushing foreign kings when God expressed His wrath against them through the king He placed over Israel (Ps 110:2-3, 5-6). The Lord swore to the king that he would serve not only as Israel’s ruler but Israel’s priest forever, in accord with Melchizedek’s eternal priesthood (Ps 110:4). In Gen 14:17-24, Melchizedek served as the priest to God Most High in Salem. Melchizedek blessed Abraham when the patriarch returned from rescuing Lot from a cohort of kings that attacked the region of Sodom and Gomorrah. Melchizedek was recognized as a priest even before the Lord established Aaron and the Levites as priests. Melchizedek had no genealogy and was thus an eternal priest. In Heb 5:6, the author of Hebrews appended Ps 110:4, “You are a priest forever in the order of Melchizedek,” to his citation of Ps 2:7 in order to underscore that God Himself swore Jesus into His office as an eternal High Priest. The author of Hebrews quoted Ps 110:4 in Heb 7:21 to reinforce his point: God swore an oath that Jesus is an eternal High Priest. Jesus performed His priestly ministry on earth at the cross but because He is an eternal priest, He yet serves as an advocate for believers in heaven (Heb 6:20). Melchizedek was an eternal priest because he had no genealogy and the author of Genesis recorded no date of birth or death; Jesus serves as an eternal priest because He has an indestructible life (Heb 7:16-17).
(3) In Heb 6:14, the author quoted Gen 22:17 to encourage his audience in God’s faithfulness to His promise of blessing. In Genesis 22, the Lord told Abraham to go to Mount Moriah and there offer the sacrifice of his son, his only son, Isaac. Abraham obeyed God, willing to sacrifice the child of promise. When Abraham raised his hand to slay his son on the altar, the angel of the Lord intervened and stopped Abraham from completing the sacrifice. Abraham had passed the test of faith. The Lord swore an oath that He would bless the patriarch with many offspring because Abraham feared the Lord and obeyed His word when tested (Gen 22:17-18). The author of Hebrews was concerned that his friends endure to inherit the promises they had received in the new covenant (Heb 12:25-29; 13:10-14). In order to explain the stability of God’s promises—and encourage the congregation’s perseverance—he described God’s faithfulness to Abraham when He swore that He would bless and multiply Abraham’s descendants (Heb 6:14).
Commentary Hebrews New Testament