For of all sad words of tongue or pen, / The 30 saddest were these: "It might have been." Whittier.
For of fortunes sharpe adversite, / The worst kind of infortune is this, / A man that hath been in prosperite, / And it remember when it passéd is. Chaucer.
For of the soul the body form doth take, / For soul is form, and doth the body make. Spenser.
For one man who can stand prosperity, there are a hundred that will stand adversity. Carlyle.
For one person who can think, there are at least a hundred who can observe. An accurate observer is, no doubt, rare; but an accurate thinker is far rarer. Buckle.
For one rich man that is content there are a 35 hundred who are not. Pr.
For one word a man is often deemed wise, and for one word he is often deemed foolish. Confucius.
For our pleasure, the lackeyed train, the slow parading pageant, with all the gravity of grandeur, moves in review; a single coat, or a single footman, answers all the purposes of the most indolent refinement as well; and those who have twenty, may be said to keep one for their own pleasure, and the other nineteen merely for ours. Goldsmith.
For pity is the virtue of the law, / And none but tyrants use it cruelly. Timon of Athens, iii. 5.
For pleasures past I do not grieve, / Nor perils gathering near; / My greatest grief is that I leave / Nothing that claims a tear. Byron.