Cofounder, Bill & Melinda Gates Foundation
“Your most unhappy customers are your greatest source of learning.”
"Every time you state what you want or believe, you’re the first to hear it. It’s a message to both you and others about what you think is possible. Don’t put a ceiling on yourself."
CEO, Berkshire Hathaway
"It takes 20 years to build a reputation and five minutes to ruin it. If you think about that, you’ll do things differently."