“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.”

“Only once in your life, I truly believe, you find someone who can completely turn your world around. You tell them things that youve never shared with another soul and they absorb everything you sa...”

“As he read, I fell in love the way you fall asleep: slowly, and then all at once.”

“I love you without knowing how, or when, or from where. I love you simply, without problems or pride: I love you in this way because I do not know any other way of loving but this, in which there i...”

“Justice is the only worship.Love is the only priest.Ignorance is the only slavery.Happiness is the only good.The time to be happy is now,The place to be happy is here,The way to be happy is to make...”

“Be a good human.”

“Our country in general assumes that "the pursuit of happiness" really means "the pursuit of pleasure" and that therefore pleasure is the greatest good.”

“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.”