Say not, when I have leisure I will study; you may not have leisure.
                – The Mishnah

An invasion of armies can be resisted, but not an idea whose time has come.
                – Victor Hugo

Man is tormented by no greater anxiety than to find someone quickly to whom he can hand over that great gift of freedom with which the ill-fated creature is born.
                – Fyodor Dostoevsky

True love comes quietly, without banners or flashing lights. If you hear bells, get your ears checked.
                – Erich Segal

Seek simplicity, and distrust it.
                – Alfred North Whitehead

Regret for the things we did can be tempered by time; it is regret for the things we did not do that is inconsolable.
                – Sidney J. Harris

Once the game is over, the King and the pawn go back in the same box.
                – Italian Proverb