Antisthenes says that in a certain faraway land the cold is so intense that words freeze as soon as they are uttered, and after some time then thaw and become audible, so that words spoken in winter go unheard until the next summer.
PlutarchEuripides was wont to say, silence was an answer to a wise man; but we seem to have greater occasion for it in our dealing with fools and unreasonable persons; for men of breeding and sense will be satisfied with reason and fair words.
Plutarch