Bill Gates

"We must give the poorest countries the tools they need to grow."

"The world is changing. If you don't innovate, you die. And it's that simple."

"Life is not fair; get used to it."

"If you are born poor it is not your mistake, but if you die poor it is your mistake."

"Don't compare yourself with anyone in this world. If you do so, you are insulting yourself."

"Being rich is a good thing. Not just in the obvious ways, but in the sense that you can spend huge amounts of money trying to solve problems."

"The key to good decision making is not knowing all the answers in advance. If you did you wouldn't be faced with the decision."

"Patience is a key element of success."

"We are living in a digital world, and our education system is still using the tools of the past."

"Intellectual property has the same body of rights that real property does."

"It's fine to celebrate success, but it is more important to heed the lessons of failure."

"Technology is best when it brings people together."

"The greatest leaders are visionaries who can see the future before others do."

"Effective altruism means using reason and evidence to help others as much as possible."

"The world's health depends on the health of Africa."

"Poor countries are not stuck in poverty. They can get out within a generation."

"When a poor country gets a lot of aid, the corruption problem becomes worse."

"Education is the most powerful tool you can use to change the world."

"Money is a report card on how well you are doing and how much people like your products."

"Global health is an incredibly worthwhile investment."

"I failed in some subjects in school but I got top marks in subjects that interested me."

"The idea that I want to do a lot of philanthropy is something that comes from my parents."

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

"We must make this a priority: women's equality, children's health, and all the levers for change."

"The key to success in any business is listening to your customers."

"If you don't give anything to charity, it means you haven't really gained success."

"I really had a lot of dreams when I was a kid, and I think a great deal of that grew out of the fact that I had a chance to read a lot."

"The most important thing is that you care about the work."

"I believe that if you show people the problems and you show them the solutions they will be moved to act."

"Expectations are the best predictors of success."