David Letterman

"A man's gotta do what a man's gotta do."

"There's nothing wrong with being afraid. The thing is to move past it."

"I respect people who are committed to something."

"The problem with the world is that everyone is a few drinks behind."

"I've learned that you can't please everybody."

"Do what you love, and the money will follow."

"Time is the one thing we can't get back."

"In the end, it's not about what you have. It's about who you are."

"The difference between a good joke and a bad one is timing, and the difference between a good life and a bad one might be the same thing."

"I think it's important to have a sense of humor about yourself, because if you can't laugh at yourself, you're in real trouble."

"The secret to life is knowing what you want and then having the discipline to pursue it relentlessly."

"You can't fake authenticity. People know when you're being genuine, and they appreciate it far more than any polished performance."

"Late-night television has taught me that the best moments come when you're willing to be vulnerable and honest with an audience."

"The more you know about something, the more you realize how much you don't know."

"Change is inevitable, but growth is optional—you have to choose to embrace it."

"I've learned that our mistakes are often our greatest teachers if we're willing to listen to them."

"The pursuit of happiness is wonderful, but sometimes happiness finds you when you stop chasing it so hard."

"Relationships require the same kind of attention you'd give to a craft you're trying to master."

"There's a certain freedom that comes with accepting that you don't have all the answers."

"Art, humor, and music are the languages we use when regular words just don't cut it."

"The beauty of being human is that we get to keep trying, even after we fail spectacularly."

"Gratitude is the antidote to entitlement and the foundation of a meaningful life."

"Imagination is what separates us from just existing and actually living."

"Leadership isn't about being the loudest person in the room; it's about listening to everyone else."

"Work becomes less like work when you're doing something that genuinely interests you."

"Dreams are important, but the discipline to pursue them is what separates dreamers from achievers."

"I've found that kindness is often the most underrated power any of us possess."

"Fear is just a sign that you're about to do something worth doing."

"Money can buy comfort, but it can't buy contentment—that's something you have to build yourself."

"Health is the foundation upon which everything else in life is built."