I'm a big football fan, but I have to tell you if I had a son, I'd have to think long and hard before I let him play football.

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.

Emotional states change like the wind, and to indulge them only gives them more power over a person.

Never on painter's canvas livesThe charm of his fancy's dream.

The applause of all but very good men is no more than the precise measure of their possible hostility.

For the scientific acquisition of knowledge is almost as tedious as the routine acquisition of wealth.

Take away the danger and remove the restraint, and wayward nature runs free.

Surrender doesn't obstruct power; it enhances it.

If you rush to take a drug, do so with the full knowledge that you are being a Guinea Pig. The longer a drug is on the market, the more will be known about the side effects.

No one's life is totally morbid. Even on a subtle scale there's little flashes of enlightenment and of happiness and joy.

To a child, 'love' is spelled T-I-M-E.