To-morrow is, ah, whose?
—D. M. Mullock.
1929
What cannot be told, had better not be done.
1930
Never hold any one by the button or the hand, in order to be heard out; for if people are unwilling to hear you, you had better hold your tongue than them.
—Chesterfield.
1931
Though we have two eyes, we are supplied with but one tongue. Draw your own moral.
—Alphonse Karr.