2 It isn’t good to have zeal without knowledge;
nor being hasty with one’s feet and missing the way.

3 The foolishness of man subverts his way;
his heart rages against Yahweh.

Matthew Henry's Commentary on Proverbs 19:2-3

Commentary on Proverbs 19:2

(Read Proverbs 19:2)

What good can the soul do, if without knowledge? And he sins who will not take time to ponder the path of his feet.

Commentary on Proverbs 19:3

(Read Proverbs 19:3)

Men run into troubles by their own folly, and then fret at the appointments of God.