The notion that science and spirituality are somehow mutually exclusive does a disservice to both.

Somewhere, something incredible is waiting to be known.

It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.

The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.

Imagination will often carry us to worlds that never were. But without it we go nowhere.

I don't want to believe. I want to know.

The absence of evidence is not the evidence of absence.

The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

For small creatures such as we the vastness is bearable only through love.

You have to know the past to understand the present.

Something of God... flows into us from the blue of the sky, the taste of honey, the delicious embrace of water whether cold or hot, and even from sleep itself.

Life is not made up of minutes, hours, days, weeks, months, or years, but of moments. You must experience each one before you can appreciate it.

Tomorrow is not a promise. Tomorrow is a second chance.

Grammar perfect books are for Ivy Leaguers in Ivory Towers. My book is a sandcastle built on the beach of usefullness.

The thing that is really hard, and really amazing, is giving up on being perfect and beginning the work of becoming yourself.

I look up to a lot of people, but outside of my parents, I've never really had a mentor.

Some evils are cured by contempt.

There are neighborhoods in Baghdad where you and I could walk through those neighborhoods today.

I am not pushy. You want it, you buy it. Most people hit the customer over the head. But if you're too self-important, it's kind of repellent.

I took several years of dance lessons that included ballet, tap and jazz. They helped a great deal with body control, balance, a sense of rhythm, and timing.