Elon Musk

"Persistence is very important. You should not give up unless you are forced to give up."

"I think it's possible for ordinary people to choose to be extraordinary."

"If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it's not."

"Failure is an option here. If things are not failing, you are not innovating enough."

"The first step is to establish that something is possible; then probability will occur."

"I tend to approach things from a physics framework. Physics teaches you to reason from first principles rather than by analogy."

"Brand is just a perception, and perception will match reality over time."

"When something is important enough, you do it even if the odds are not in your favor."

"Work like hell. I mean you just have to put in 80 to 100 hour weeks every week."

"Starting a company is like staring into the abyss and eating glass."