If ever a fool's advice is good, a prudent man 10 must carry it out. Lessing.
If every fool wore a crown, we should all be kings. Welsh Pr.
If everybody knew what one says of the other, there would not be four friends left in the world. Pascal.
If evil be said of thee, and if it be true, correct thyself; if it be a lie, laugh at it. Epictetus.
If fame is only to come after death, I am in no hurry for it. Martial.
If folly were a pain, there would be crying in 15 every house. Sp. Pr.
If fortune favour you, be not elated; if she frown, do not despond. Ausonius.
If fortune give thee less than she has done, / Then make less fire, and walk more in the sun. Sir R. Baker.
If fortune would make a man estimable, she gives him virtues; if she would have him esteemed, she gives him success. Joubert.
If frequent failure convince you of that mediocrity of nature which is incompatible with great actions, submit wisely and cheerfully to your lot. Sydney Smith.