“Walls aren't put in our life to stop us, they are there to test how much we really want somthing.”

“The brick walls are there for a reason. The brick walls are not there to keep us out. The brick walls are there to give us a chance to show how badly we want something. Because the brick walls are there to stop the people who don’t want it badly enough. They’re there to stop the other people.”

“If you took one-tenth the energy you put into complaining and applied it to solving the problem, you'd be surprised by how well things can work out... Complaining does not work as a strategy. We all have finite time and energy. Any time we spend whining is unlikely to help us achieve our goals. And it won't make us happier.”

“If we had to vanish tomorrow, what would we want as our legacy?”

“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.”

“Complaining does not work as a strategy. We all have finite time and energy. Any time we spend whining is unlikely to help us achieve our goals. And it won't make us happier.”

“Whatever news we get about the scans, I’m not going to die when we hear it. Iwon’t die the next day, or the day after that, or the day after that. Sotoday, right now, well this is a wonderful day. And I want you to knowhow much I’m enjoying it.”I thought about that, and about Jai’s smile.I knew then. That’s the way the rest of my life would need to be lived.”