"I told my mom I would graduate. I owe that much to her and myself."

"Of course I want to take the last shot, let's be quite frank: I've been doing for nine years already, and I've made a ton of them."

"We're still getting better as a team. We're still learning how to play basketball as a team and how to win tough games."

"The visions we offer our children shape the future."

"An organism at war with itself is doomed."

"Learn from the past, set vivid, detailed goals for the future, and live in the only moment of time over which you have any control: now."

"Losers live in the past. Winners learn from the past and enjoy working in the present toward the future."

"You must learn from your past mistakes, but not lean on your past successes."

"There are no mistakes or failures, only lessons."

"Never become so much of an expert that you stop gaining expertise. View life as a continuous learning experience."

"If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read."

"Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars."

"She had studied the universe all her life, but had overlooked its clearest message: For small creatures such as we the vastness is bearable only through love."

"It is of interest to note that while some dolphins are reported to have learned English - up to fifty words used in correct context - no human being has been reported to have learned dolphinese."

"Life is inherently risky. There is only one big risk you should avoid at all costs, and that is the risk of doing nothing."

"I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves."

"We are a way for the cosmos to know itself."

"The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff."

"To learn something new, take the path that you took yesterday."

"I don't care how smart a kid you are. The only way you learn what's not right is from experience."

"Mars, we know, was once wet and warm. Was it home to life? And what can living and learning to work on its rust-colored surface teach us about the future of our own planet, Earth? Answering those mysteries may hold the key to our future."

"I didn't start skiing until I was 50. My wife Lois taught me how to ski. I'm proficiently conservative."

"People communicate in Twittering ways. I've learned how to do that."

"I've learned to think in terms of having a long career. Actors can have very long careers that last until the day we die, but there will be moments when you'll feel like you're a failure or when you're disappointed in yourself."