A prating ... fall - Better, as in the margin. Inward self-contained wisdom is contrasted with self-exposed folly.

A prating fool (‘evîl). (See above, on Proverbs 1:7.)

The wise in heart will receive commandments
Such who have true wisdom in the hidden part of the heart, of which the …

Fools are not fit to be trusted, nor to have any honor. Wise sayings, as a foolish man delivers and applies them, lose their usefulness.