Geneva Bible Notes Reformed @genevanotes

The preparations of the heart belong to man, and the answer of the tongue, [are] from the LORD. (a) He derides the presumption of man, who dares to attribute anything to himself, as to prepare his heart or such like, seeing that he is not able to speak a word unless God gives it to him.

Keil & Delitzsch Lutheran @keilanddelitzsch

Pro 16:1 Four proverbs of God, the disposer of all things: 1 Man’s are the counsels of the heart; But the answer of the tongue cometh from Jahve. Gesen., Ewald, and Bertheau incorrectly understand 1b of hearing, i.e., of a favourable response to what the tongue wishes; 1a speaks not of wishes, and the gen.