John Calvin on Acts 2:24

24. Having loosed the sorrows of death. By the sorrows of death I understand some farther thing than the bodily sense or feeling. For those which duly consider the nature of death, because they hear that it is the curse of God, must needs conceive that God is angry in death. Hence cometh marvelous horror, wherein there is greater misery than in death itself. Furthermore, Christ died upon this occasion that he might take upon him our guiltiness. That inward fear of conscience, which made him so afraid that he sweat blood when he presented himself before the throne and tribunal seat of God, did more vex him, and brought upon him greater horror, than all the torments of the flesh. And whereas Peter saith, that Christ did wrestle with such sorrows, and doth also declare that he had the victory, by this it cometh to pass that the faithful ought not now to be afraid of death; for death hath not the like quality now which was in Adam; because by the victory of Christ the curse is swallowed up, (1 Corinthians 15:54.) We feel, indeed, yet the pricking of sorrows, but such as do not wholly wound us, whilst that we hold up the buckler of faith against them. He added a reason, because it was impossible that Christ should be oppressed by death, who is the author of life.

Acts 2:25-31

25. For David saith of him, I saw the Lord before me always, because he is on my right hand; lest I should be moved. 26. For this my heart rejoiced, and my tongue was glad; moreover, my flesh shall rest in hope: 27. Because thou wilt not leave my soul in hell, neither wilt thou suffer thy Holy One to see corruption. 28. Thou hast made known unto me the ways of life, thou shalt fill me with gladness with thy face. 29. Men and brethren, seeing that I may boldly speak unto you of the patriarch David, because he is both dead and buried, and his sepulcher remaineth with us until this day. 30. Therefore, seeing he was a prophet, and did know that God had sworn unto him with an oath that it should come to pass, that Christ should rise of the fruits of his loins, concerning the flesh, who should sit upon his throne; 31. He knowing this before, spoke of the resurrection of Christ, that his soul was not left in hell, neither did his flesh see corruption.