It is hard to convince a high-school student that he will encounter a lot of problems more difficult than those of algebra and geometry.
The way to keep a cat is to try to chase it away.
Everyone suffers wrongs for which there is no remedy
A man will do more for his stubbornness than for his religion or his country
A reasonable probability is the only certainty.
About all some men accomplish in life is to send a son to Harvard.