“Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to teach us or somebody who says everything in this book must be considered the literal truth and never mind the fallibility of all the human beings involved?”

“All warfare is based on deception. Hence, when we are able to attack, we must seem unable;...”

“The more you learn, the more you earn.”

“Success is not the absence of failure, but the willingness to persevere in spite of it.”

“Everyone seems to have a clear idea of how other people should lead their lives, but none ...”

“Exaggerate the essential, leave the obvious vague.”

“Success will always be driven by focus & effort — and we always control both.”

“An appeaser is one who feeds a crocodile, hoping it will eat him last.”

“God does not play dice with the universe.”

“I care not what others think of what I do, but I care very much about what I think of what...”

“Your most unhappy customers are your greatest source of learning.”

“If you can't explain it to a six year old, you don't understand it yourself.”

“Success at anything will always come down to this: focus and effort. And we control both.”