Ensuring that the US continues to lead the world in science and technology will be a central priority for my administration.

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.

I need to stop running back to you in my mind all the time.

If birds did not believe in their ability to fly, the sky would be empty.

The author describes a previous Bible study with a lot of turnover as "not so much together as in each other's midst.

What is the use for a man to have at his disposal a large field of action, if within himself he remains confine to the narrow limits of his individuality.

Words have finished flirting. Now they are making love.

I've sung a lot of emotional songs, but when you're writing it's very difficult to decide what to reveal.

The ocean is worth writing about just as man is.

There's nothing more fun than debating and defending your taste in music.

Never buy anything that you can't illustrate on the back of a napkin.

The Australian public are very fair and they are always prepared to give the leader of a major political party a fair go.