"A happy childhood is poor preparation for human contacts."

"You will do foolish things, but do them with enthusiasm."

"It is wise to apply the oil of refined politeness to the mechanisms of friendship."

"Total absence of humor renders life impossible."

"The true traveler is he who goes on foot, and even then, he sits down a lot of the time."

"I love my past. I love my present. I'm not ashamed of what I've had, and I'm not sad because I have it no longer."

"The time is always right to do what is right."

"Some of my best leading men have been dogs and horses."

"When I was fourteen, my father was so ignorant I could hardly stand to have him around. When I got to be twenty-one, I was astonished at how much he had learned in seven years."

"Our best work is done when it needs to be."

"Experience, as a desire for experience, does not come off. We must not study ourselves while having an experience."

"Poor Mexico - so far from God and so close to the United States."