"I do not want to be the leader of anyone. I want to inspire people to do things."

"I think a lot of people will be surprised by how quickly we can get to Mars."

"I think it's important to have a good vision and to be able to communicate it effectively."

"If you're trying to create a company, it's like, it's a lot like baking a cake. You have to have all the ingredients in the right proportion."

"Population collapse is the biggest threat to civilization."