Nothing in life that’s worth anything is easy.

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.

Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world, the harnessing of human nature to human needs.

Science is not a game in which arbitrary rules are used to decide what explanations are to be permitted.

American poetry is always about defining oneself individually,claiming one's right to be different and often to break taboos.

May I say that I approve of a piece that tries to remake the entire puzzle?

With prior Republican nominees for president, I disagreed with them on politics, policies, principles, but I never questioned their fitness to serve. Donald Trump is different.

Homework, I have discovered, involves a sharp pencil and thick books and long sighs.

It is the mission of the twentieth century to elucidate the irrational.

Man needs two important things: Firstly, to know the truths; secondly, to change them if they are not ideal!

I think the kind of person that gravitates toward New York is a person that's not so much focused on controlling exactly how they appear and how they exit. They're more fascinated with the process.

A newspaper that reduces its coverage of the news important to its community is certain to reduce its readership as well