Contradiction with Proverbs 31:9
This verse encourages open speech to judge righteously and plead the cause of the poor and needy, which contrasts with keeping the mouth and tongue for peace.
Proverbs 31:9: Open thy mouth, judge righteously, and plead the cause of the poor and needy.
Contradiction with Ecclesiastes 3:7
This verse states there is a time to speak, suggesting that silence is not always the best course of action, in contrast to keeping the mouth and tongue to avoid trouble.
Ecclesiastes 3:7: A time to rend, and a time to sew; a time to keep silence, and a time to speak;
Contradiction with Acts 18:9
This verse has God encouraging Paul to speak and not be silent, which opposes the idea that guarding one's mouth could prevent trouble.
Acts 18:9: Then spake the Lord to Paul in the night by a vision, Be not afraid, but speak, and hold not thy peace:
Contradiction with Matthew 28:19-20
These verses instruct followers to teach all nations, implying vocal engagement as opposed to keeping silent to avoid issues.
Matthew 28:19-20: Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: [teach...: or, make disciples, or, Christians of all nations]