"I don’t think necessity is the mother of invention. Invention, in my opinion, arises directly from idleness, possibly also from laziness—to save oneself trouble."

"A mother's love for her child is like nothing else in the world. It knows no law, no pity, it dares all things and crushes down remorselessly all that stands in its path."

"It is the brain, the little gray cells on which one must rely. One must seek the truth within--not without."

"When you find that people are not telling you the truth---look out!"

"One doesn’t recognize the really important moments in one’s life until it’s too late."