Bill Gates

"The key to success in any human endeavor is not winning, it's perseverance through failure."

"Understanding complex systems is the key to progress."

"If you are poor, you are not living as well as you could, and that should be unacceptable to you."

"When you have kids, you're always tired, and you're thankful for tired."

"Optimism is a choice that makes your life better."

"Measurement of something sayable leads to quantitative science."

"The role of government is to create a framework where businesses can grow."

"Bad things happen, and the human response to bad things is often pretty good."

"What we have to do is always lean into the future."

"There is room in the world for everyone to do well."

"We all need people who will give us feedback. That's how we improve."

"Your time is limited, don't waste it living someone else's life."

"We're not going to solve world problems by creating technology that makes the world smaller."

"I am strongly aligned with Google on the ability to search."

"If you love what you do, you'll be really good at it."

"The most important thing is the mission and the team executing the mission."

"Our lives improve only when we take chances and the first and most difficult chance we can take is to be honest with ourselves."

"Luck is where opportunity meets preparation."

"If you think health care is expensive now, wait until you see what it costs when it's free."

"I really had a lot of dreams when I was a kid."

"Television is not real life. In real life people actually have to leave the coffee shop and go to jobs."

"The most important variable is the quality of the team you assemble."

"Be patient with all that is unsolved in your heart and try to love the questions themselves."

"We should all be optimists. It just makes sense."

"The world won't solve its problems by listening to Microsoft."

"Innovation is the most important thing, but you can't just talk about it."

"If you are interested in balancing work and pleasure, stop trying to balance them. Instead, pursue your passions."

"Climate change is a complex issue, but the science is clear."

"I'm a big believer in data-driven decision making."

"Power comes from helping others solve their problems."