“I could go and buy one of the islands in theBahamas and turn it into my personal fiefdom, but I am much more interested in trying to build andcreate a new company.”

“It is important to view knowledge as sort of a semantic tree -- make sure you understand the fundamental principles, ie the trunk and big branches, before you get into the leaves/details or there i...”

“I think its important to reason from first principles rather than by analogy. The normal way we conduct our lives is we reason by analogy. [With analogy] we are doing this because its like somethin...”

“I'm not trying to be anyone's savior. I just try to think about the future and not be sad”

“You need to live in a dome initially, but over time you could terraform Mars to look like Earth and eventually walk around outside without anything on... So it's a fixer-upper of a planet.”

“My proceeds from the PayPal acquisition were $180 million. I put $100 million in SpaceX, $70m in Tesla, and $10m in Solar City. I had to borrow money for rent.”

“The more you talk about them, the more important they will feel. The more you listen to them, the more important you will make them feel.”

“My mother always says people should be able to take care of themselves, even if they're rich and important.”

“There is no job more important than parenting. This I believe.”

“The more clearly you understand yourself and your emotions, the more you become a lover of what is.”

“There are only two ways to live your life: as though nothing is a miracle, or as though everything is a miracle.”

“The moral of the tale is, don't live for the approval of others. The real you is here to find out the secret of life, not to satisfy someone else's opinion.”

“The only failure is not to try.”

“We decided to try in vitro, because both Peter and I felt we couldn't handle another failure. When I miscarried after that, we had to come to terms with the possibility that this wasn't meant to be.”

“I try to be cool with everybody, but sometimes, everybody just has different personalities, motives, and different characters.”