“I have no idea. People who boast about their IQ are losers.”

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

“I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practic...”

“I don’t count my sit-ups; I only start counting when it starts hurting because they’re...”

“If you don’t fight for what you want, don’t cry for what you lost.”

“Don’t give in to your fears. If you do, you won’t be able to talk to your heart.”

“If you know the enemy and know yourself, you need not fear the result of a hundred battles...”

“You have to work hard in the dark to shine in the light.”

“I think a role model is a mentor – someone you see on a daily basis, and you learn from them.”

“Tomorrow is promised to no one”

“The purpose of our lives is to be happy”

“We've had three big ideas at Amazon that we've stuck with for 18 years, and they're the re...”

“We simply attempt to be fearful when others are greedy and to be greedy only when others are fearful”