Contradiction with Ecclesiastes 3:7
A time to keep silence, and a time to speak. This implies there are occasions when it is wise to remain silent, whereas Proverbs 10:32 suggests the focus is on speaking wisdom.
Ecclesiastes 3:7: A time to rend, and a time to sew; a time to keep silence, and a time to speak;
Contradiction with James 1:19
This verse advises being "slow to speak," suggesting restraint in speech, in contrast to Proverbs 10:32's implication of speaking what is right.
James 1:19: Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath: