I have to make the very best judgments I can make in terms of what's gonna keep the American people safe. And is what, what's gonna uphold our Constitution and our traditions of due process.

You can’t let your failures define you. You have to let your failures teach you.

Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.

Keep exploring. Keep dreaming. Keep asking why. Don’t settle for what you already know. Never stop believing in the power of your ideas, your imagination, your hard work to change the world.

When ignorant folks want to advertise their ignorance, you don't really have to do anything, you just let them talk.

Just because we have the best hammer does not mean that every problem is a nail.

Change is never easy, but always possible.

Don’t ever let anybody tell you that your efforts don’t matter or that your voice doesn’t count. Don’t ever believe that you can’t make a difference. You have.

Where you are right now doesn't have to determine where you'll end up.

Learning to stand in somebody else's shoes, to see through their eyes, that's how peace begins. And it's up to you to make that happen. Empathy is a quality of character that can change the world.

If somebody is different from you, that's not something you criticize, that's something that you appreciate.

Please, no matter how we advance technologically, please don't abandon the book. There is nothing in our material world more beautiful than the

What is a secret wish?" "It is what you want but cannot ask.

You can choose courage or you can choose comfort, but you can't have both.

It is our duty to create a social milieu in which the young and the socially weak feel that the present and future belong to them.

The way you get a better world is, you don't put up with substandard anything.

The only paradise is paradise lost.

Earlier we used to play with snakes, but now we play with mouse. Through IT, India's youth has surprised the entire World!

I believe we need a more opportunistic and democratic approach to lunar exploration, now that we're shifting from U.S. government-sponsored space exploration to private expeditions.

Had the doctrines of Jesus been preached always as pure as they came from his lips, the whole civilized world would now have been Christians.