“There are in fact two things, science and opinion; the former begets knowledge, the latter ignorance”

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

“The essence of strategy is choosing what not to do”

“When inspiration does not come to me, I go halfway to meet it.”

“The best way of learning about anything is by doing.”

“The answer, my friend, is blowing in the wind”

“Unexpressed emotions will never die. They are buried alive and will come forth later in uglier ways.”

“To accept one’s past—one’s history—is not the same thing as drowning in it; it is ...”

“The only true wisdom is in knowing you know nothing”

“Have no fear of perfection - you'll never reach it.”

“Don’t be afraid to be ambitious about your goals. Hard work never stops. Neither should ...”

“Don’t focus on the pain. Focus on the progress.”

“Success is not measured by what you accomplish, but by the obstacles you overcome.”