Silence is the universal refuge, the sequel to all dull discourses and all foolish acts, a balm to our every chagrin, as welcome after satiety as after disappointment. – Henry David Thoreau

I think the first virtue is to restrain the tongue; he approaches nearest to gods who knows how to be silent, even though he is in the right. – Cato The Elder

The best answer to anger is silence. – Author Unknown