There is nothing better than being in a classroom with really, really brilliant students, and opening up new worlds to them. That's what I love doing.

We need to move beyond the idea that girls can be leaders and create the expectation that they should be leaders.

Great leaders never accept the world as it was and always work for the world as it should be

You might not be able to control your circumstances but you can control your response to your circumstances.

The first step for a leader is to be right with yourself. Integrity is the basis of leadership.

In America, with education and hard work, it really does not matter where you came from; it matters only where you are going.

Self esteem comes from achievements. Not from lax standards and false praise.

You will make a difference in the world, but not immediately. Your first obligation is to find something you like doing, because if you like doing it, you'll do it well.

When somebody underestimated me, it made me want to prove them wrong.

Education is of no value and talent is worthless - unless you have an unwavering aim. Never find yourself without a compass.

Differences can be a strength.

Worry is the greatest seed [cause] for the worldly life because worrying is the greatest egoism. If the egoism leaves, then worries will go away.

In society, we do horrible things to one another because we don’t see the person it affects. We don’t see their face. We don’t see them as people.

Mothers all want their sons to grow up to be president, but they don't want them to become politicians in the process.

I forgot to shake hands and be friendly. It was an important lesson about leadership.

In America, we are living in a society which is moving more and more toward an oligarchic form of society where government is dominated heavily by big-money interests.

Religion is very enlightening - to those who don't understand it.

It doesn't matter how many they kill," I told him. "And it's not awesome-it's wrong." "Then why do you talk about them all the time?" asked Max. "Because wrong is interesting.

I plan my life in 15-minute sections.

I was brought up to never lie. Sure, I have. But in the final mix, the lies I've told are far outweighed by the truths I've lived.

Failing to fetch me at first, keep encouraged. Missing me one place, search another. I stop somewhere waiting for you.