If you want small changes in your life, work on your attitude. But if you want big and primary changes, work on your paradigm.

I am not a product of my circumstances. I am a product of my decisions.

To achieve goals you've never achieved before, you need to start doing things you've never done before.

The key is not to prioritize what's on your schedule, but to schedule your priorities.

Integrity is conforming reality to our words - in other words, keeping promises and fulfilling expectations.

Most of us spend too much time on what is urgent and not enough time on what is important.

Make small commitments and keep them. Be a light, not a judge. Be a model, not a critic. Be a part of the solution, not the problem.

Our ultimate freedom is the right and power to decide how anybody or anything outside ourselves will affect us.

When you really listen to another person from their point of view, and reflect back to them that understanding, it's like giving them emotional oxygen.

Improve relationships with others by assuming that they can hear everything you say about them

Most people do not listen with the intent to understand; they listen with the intent to reply.

I don't seem able to get it straight in my mind....

First seek happiness from within, then you will find it without.

I always say to my students that being a scientist is like being an explorer, and I really mean that because, in a sense, I think in science we explore the world, the universe around us.

I have a very young brother and sister, and if you can get a kid singing the words to a song after they heard it for the first time, it's a hit.

Condi Rice talks tough but she cannot be tough herself.

One great, strong, unselfish soul in every community would actually redeem the world.

There's an entire universe in every single tweet, and it all really depends on the content as far as how it's going to spread.

Focus on one goal allowed the achievement of many desires.

One was a book thief. The other stole the sky.

Apologies are not pass/fail.