I don't have a philosophical objection, necessarily, to a travel ban if that is the thing that is going to keep the American people safe.

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.

Open your eyes to new opportunities

Life is the thing--the song of life-- The eager plow, the thirsty knife!

It's not what you achieve in life, but who you become as a person due to those achievements.

Self-seeking is the gate by which a soul departs from peace; and total abandonment to the will of God, that by which it returns.

The voice of reason is more to be regarded than the bent of any present inclination; since inclination will at length come over to reason, though we can never force reason to comply with inclination.

I am studying ancient civilizations, trying to find what happened to them, finding out why they went into a decline, why they died.

Curiosity kills itself; and love is only curiosity, as is proved by its end.

Honestly, what planet do these people live on? And why isn't it farther away?

Through learning we re-create ourselves. Through learning we become able to do something we were never able to do.

How much more interesting life would be if only more people had the courage and skill to act themselves, instead of abjectly understudying some one else!