Jack Dorsey

"Faith in yourself precedes all other faith."

"Your voice matters more than you know."

"Progress requires patience and persistence."

"The best time to plant a tree was yesterday; the second best is today."

"Connection is the antidote to isolation."

"Your imagination is your greatest tool."

"Lead with empathy, manage with clarity."

"The only failure is not trying."

"The best way to predict the future is to invent it."

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

"Just stay focused on what you're trying to build."

"Service to others is what builds great things."

"A square transaction is just the beginning of a relationship."

"Everyone has ideas. Ideas are easy. It's the execution that matters."

"I think the technology is real. The question is what we do with it."

"The most powerful thing we can do is connect humanity."

"Constraints actually liberate creativity."

"You don't have to see the whole staircase, just take the first step."

"Build for the person on the worst network."

"Purpose is the ultimate currency."

"Give people tools and get out of the way."

"The job of a leader is to see the opportunity first."

"What we're really looking for is serendipity."

"The most important thing is to stay true to your principles."

"Simplicity is the ultimate sophistication."

"We're all here to serve something bigger than ourselves."

"The Internet doesn't care about your industry."

"Focus on the fundamentals first."

"Trust is the foundation of everything."

"You have to believe in what you're doing."