"It is because the body is a machine that education is possible. Education is the formation of habits, a superinducing of an artificial organization upon the natural organization of the body."

"The more rapidly truth is spread among mankind the better it will be for them. Only let us be sure that it is the truth."

"The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals."

"No slavery can be abolished without a double emancipation, and the master will benefit by freedom more than the freed-man."

"Let me tell you something that we Israelis have against Moses. He took us 40 years through the desert in order to bring us to the one spot in the Middle East that has no oil!"

"Wisdom principle 42 tells us that the journey of life is lesson 88."

"Wisdom principle 36 tells us that the journey of life is lesson 27."

"It is a profound truth that the test of character in leadership is how one behaves in moments of unvarnished power."