I understand the arguments about how the billions of dollars spent to put men on the moon could have been used to fight poverty and hunger on Earth. But, look, I'm a scientist who sees inspiration as the ultimate tool for doing good. When you use money to fight poverty, it can be of great value, but too often, you're working at the margins. When you're putting people on the moon, you're inspiring all of us to achieve the maximum of human potential, which is how our greatest problems will eventually be solved. Give yourself permission to dream.

When you're frustrated with people, when they've made you angry, it just may be because you haven't given them enough time.

Find the best in everybody. Wait long enough, and people will surprise and impress you. It might even take years, but people will show you their good side. Just keep waiting.

I didn't know there was a dying-professor section at the bookstore.

Brick walls are there for reason. And once you get over them-- even if someone has practically had to throw you over-- it can be helpful to others to tell them how you did it.

But I want her to grow up knowing that I was the first man ever to fall in love with her. I'd always thought the father/daughter thing was overstated. But I can tell you, sometimes, she looks at me and I just become a puddle.

Well, you can’t have just some of me, Jai,” I told her. “You appreciate the part of me that didn’t get angry because two ‘things’ we own got hurt. But the flip side of that is my belief that you don’t repair things if they still do what they’re supposed to do. The cars still work. Let’s just drive ’em.