"It is said that the effect of eating too much lettuce is soporific. I have never felt sleepy after eating lettuce, but I have often felt sleepy after listening to a lecture."

"I can’t believe what you say, because I see what you do."

"People who believe that they are white are not white. They are merely people who are trying to avoid the fact that they are human."

"The great force of history comes from the fact that we carry it within us, are unconsciously controlled by it in many ways, and history is literally present in everything we do."

"The world is before you and you need not take it or leave it as it was when you came in."