"To a quick question, give a slow answer."

"If you scatter thorns, don't go barefoot."

"He that jokes confesses."

"It is not enough to aim; you must hit."

"By learning to obey, you will know how to command."

"Between saying and doing many a pair of shoes is worn out."

"If we knew what it was we were doing, it would not be called research, would it?"

"Knowing trees, I understand the meaning of patience. Knowing grass, I can appreciate persistence."

"To live we must conquer incessantly, we must have the courage to be happy."

"Between eigtheen and twenty, life is like an exchange where one buys stocks, not with money, but with actions. Most men buy nothing."

"To be always intending to make a new and better life but never to find time to set about it is as to put off eating and drinking and sleeping from one day to the next until you're dead."

"I don't want someone shoving his views down my throat, unless they're covered in a crunchy candy shell."