“Astronomy to the selfish becomes astrology.”

“Every experiment, by multitudes or by individuals, that has a sensual and selfish aim, will fail.”

“We have a great deal more kindness than is ever spoken. (Despite) all the selfishness that chills like east winds the world, the whole human family is bathed with an element of love like a fine ether... The effect of the indulgence of this human affection is a certain cordial exhilaration.”

“Every hero becomes a bore at last.”

“Democracy becomes a government of bullies tempered by editors.”

“The only person you are destined to become is the person you decide to be.”

“You become what you think about all day long.”