Long before being nerdy was cool, there was Leonard Nimoy.

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.

A true joy in life should be knowing that you have touched the heart of another human being

He who has no faith in himself can never have faith in God.

We'll all be riding that streetcar of desire.

A tin roof is one of the greatest indicators of prosperity in the developing world.

Within a few decades...the United States might get 30% of its electricity from sunshine.

Love isn't like a reservoir. You'll never drain it dry. It's much more like a natural spring. The longer and farther it flows, the stronger and deeper and clearer it becomes.

You don't need any brains to listen to music.

Worse, I have to admit to feeling the jealousy of one crab for another that has managed to climb out of the barrel.

I'm tired of being treated like a second-class citizen.

Man sees your actions, but God your motives.