“To understand the world one must not be worrying about one's self.”
Albert Einstein
“Not until we are lost do we begin to understand ourselves.”
Henry David Thoreau
“It is what a man thinks of himself that really determines his fate.”
“Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe.”
“The world is a dangerous place. Not because of the people who are evil; but because of the people who don't do anything about it.”
“If you can't explain it simply, you don't understand it well enough”
“If you want to live a happy life, tie it to a goal, not to people or things.”