“Doubt is the key to knowledge.”
“Epigrams succeed where epics fail.”
“Luck is infatuated with the efficient.”
“He who has been bitten by a snake fears a piece of string.”
“One pound of learning requires ten pounds of common sense to apply it.”
“It is nothing for one to know something unless another knows you know it.”
“When the tide of misfortune moves over you, even jelly will break your teeth”
“Do little things now; so shall big things come to thee by and by asking to be done.”
“Treat your superior as a father, your equal as a brother, and your inferior as a son.”
“Every man goes down to his death bearing in his hands only that which he has given away.”
“There are four things every person has more of than they know; sins, debt, years, and foes.”
“The loveliest faces are to be seen by moonlight, when one sees half with the eye and half with the fancy.”
“The best memory is that which forgets nothing, but injuries. Write kindness in marble and write injuries in the dust.”
“If one has to jump a stream and knows how wide it is, he will not jump. If he does not know how wide it is, he will jump, and six times out of ten he will make it.”
“Risk -- If one has to jump a stream and knows how wide it is, he will not jump. If he doesn't know how wide it is, he'll jump and six times out of ten he'll make it.”
“He who knows he who knows not, and knows not that he knows not, is a fool, shun him; He who knows not, and knows that he knows not, is a child, teach him. He who knows, and knows not that he knows, is asleep, wake him. He who knows, and knows that he knows, is wise, follow him.”