Before the tongue can speak, it must have lost the power to wound.
I'll keep peace at all cost, even if I choke to death on my tongue.
I never show the back of my tongue. That is a Dutch expression.
All acts of living become bad by ten things, and by avoiding the ten things they become good. There are three evils of the body, four evils of the tongue, and three evils of the mind.
Better to trip with the feet than with the tongue
The best time for you to hold your tongue is the time you feel you must say something or bust.
Be not thy tongue thy own shame's orator.
Let not your tongue cut your throat
The human tongue is like wasabi: it's very powerful, and should be used sparingly.