Expository Notes of Dr. Thomas Constable - Psalms 1:1
A trilogy of expressions describes the person who is blessed or right with God. Each of these is more intense than the former one. These descriptions proceed from being casually influenced by the wicked to cooperating with them in their wickedness. However, this is probably a case of synonymous parallelism describing the totality of evil rather than three specific types of activities in a climactic development (cf. Deuteronomy 6:7). [Note: VanGemeren, p. 54.] "Happy" is a better translation... read more
Commentary Critical and Explanatory on the Whole Bible - Psalms 1:2
2. law—all of God's word then written, especially the books of Moses (compare Psalms 119:1; Psalms 119:55; Psalms 119:97, &c.). read more