“The person who failed often knows how to avoid future failures.”

“Failure is not just acceptable, it's often essential." The Last Lecture”

“The person who knows only success can be more oblivious to all the pitfalls.”

“who come out limp often have the most trouble. But the ones who come out all pissed off and full of noise,they’re the fighters. They’re the ones who thrive.”

“Apologies are not pass/fail.”

“I understand the arguments about how the billions of dollars spent to put men on the moon could have been used to fight poverty and hunger on Earth. But, look, I'm a scientist who sees inspiration as the ultimate tool for doing good. When you use money to fight poverty, it can be of great value, but too often, you're working at the margins. When you're putting people on the moon, you're inspiring all of us to achieve the maximum of human potential, which is how our greatest problems will eventually be solved. Give yourself permission to dream.”

“Anybody can get chewed out. It's the rare person who says, oh my god, you were right. As opposed to, no wait, the reason is... We've all heard that”