Psalms 1:2

“But his delight [is] in the law of the Lord, etc.] Not the law of nature, which was inscribed on Adam’s heart in innocence, but now greatly impaired by sin, and become very imperfect and very insufficient to make men happy, or to lead them to true felicity; nor the law of Moses, which is a fiery law, and works wrath, accuses of sin, pronounces guilty, curses and condemns to death; and therefore cannot be delighted in by a sensible sinner, unless as it is in the hands of Christ, and as fulfilled by him, who is the end of it; and as it is written on the heart of a regenerate man, who, so far as it is, delights in it after the inward man, and serves it with his spirit: but rather the…”

“law--all of God's word then written, especially the books of Moses (compare Psa 119:1, Psa 119:55, Psa 119:97, &c.).”

“But his delight - His pleasure; his happiness. Instead of finding his happiness in the society and the occupations of the wicked, he finds it in the truth of God. The law or truth of God is not distasteful to him, but he so delights in it as to desire to become more and more acquainted with it, and to have its truths impressed more and more on his heart. In the law of the Lord - The law of Yahweh - the small capitals in the translation indicating here as elsewhere that the original word is Yahweh. The word law in the Scriptures is used in a considerable variety of significations. The Hebrew word תורה tôrâh, properly means instruction, precept; and then, an injunction, command, law, in the…”

“Day and night - Not seldom and slightly, but diligently, and constantly. Psalms 1:3”

“1:2 The law (Hebrew torah) of the Lord is the full revelation of God’s instructions (see study note on Deut 4:44). • Meditating is a process of inner reflection that can be positive (Pss 1:2; 63:6; 77:12; 143:5) or negative (see 2:1; 38:12). The Lord’s word is the object of godly meditation (119:48). • Day and night includes all times, whether one is walking, standing, sitting, or sleeping (see Deut 6:7).”

“But his: Psa 40:8, Psa 112:1, Psa 119:11, Psa 119:35, Psa 119:47, Psa 119:48, Psa 119:72, Psa 119:92; Job 23:12; Jer 15:16; Rom 7:22; Jo1 5:3 meditate: Psa 104:34, Psa 119:11, Psa 119:15, Psa 119:97-99; Jos 1:8; Ti1 4:15 day: Psa 88:1; Luk 2:37, Luk 18:7; Th1 2:9; Ti2 1:3 Psalms 1:3”