"Focus on being productive instead of busy."

"The best ideas are almost always terrifying when you first encounter them."

"Software is eating the world."

"Take care of the people, the products, and the profits—in that order."

"Done is better than perfect."

"If it’s not written down, it’s not a decision. It’s just an idea."

"Most people overestimate what they can do in one year and underestimate what they can do in ten years."

"What can be asserted without evidence can be dismissed without evidence."

"The arc of the moral universe is long, but it bends toward justice."

"“Set your house in perfect order before you criticize the world.”"

"Discipline equals freedom."

"The smart way to keep people passive and obedient is to strictly limit the spectrum of acceptable opinion."

"The people I know that have the hardest time keeping it together emotionally are people that don’t work out."

"The internet is not a utopia. It's just a tool for people to use."

"The obstacle is the way."

"The world is much more malleable than you think and it’s waiting for you to hammer it into shape."

"The best investment you can make is building a personal monopoly."

"Screw it, let's do it."

"Turn your wounds into wisdom."

"Never bet against the people who are having the most fun changing the rules."

"It is time that we all see gender as a spectrum instead of two sets of opposing ideals."

"Your margin is my opportunity."

"We are as gods and might as well get good at it."

"Pain + reflection = progress."

"The team you build is the company you build."

"Move fast and break things. Unless you are breaking stuff, you are not moving fast enough."

"Wind extinguishes a candle and energizes fire."

"The cost of being wrong is less than the cost of doing nothing."

"“We learn by example and by direct experience because there are real limits to the adequacy of verbal instruction.”"

"Facts don't care about your feelings."

"Everything that is not forbidden by laws of nature is achievable, given the right knowledge."

"Any big problem is a big opportunity."

"The goal is to live longer, but to live better longer."

"Luxury is just another weakness to overcome."

"Invert, always invert."

"You can’t make good decisions without good thinking, and you can’t think well without the right tools."

"Control leads to compliance; autonomy leads to engagement."

"You don’t need more ideas, you need to start."

"The day you plant the seed is not the day you eat the fruit."

"The key to good decision making is not knowledge. It is understanding."

"Women’s rights are human rights, and human rights are women’s rights."

"Games are a reflection of who we are, and sometimes we don’t like what we see."

"The marks humans leave are too often scars."

"Money in a business is like gas in a car. You don’t want to run out, but you’re not doing a tour of gas stations."

"We want to make it so that anyone with a smartphone has access to sound money."

"Vulnerability is not weakness; it's our greatest measure of courage."

"The scariest moment is always just before you start."

"You can do what you decide to do — but you cannot decide what you will decide to do."

"We think, mistakenly, that success is the result of the amount of time we put in at work, instead of the quality of time we put in."

"Travel is about the gorgeous feeling of teetering in the unknown."