Valid criticism does you a favor.

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.

Religion is a culture of faith science is a culture of doubt.

I wanted to do two things when I was growing up, about your age. I wanted to play in the NBA, and I wanted to be a businessman after my basketball career was over, and that is what I am doing now.

I wish I could tell you me and my rock band were traveling around, strung out. No, we were a family band. Straight Partridge Family.

The term is over: the holidays have begun. The dream is ended: this is the morning.

When it comes to your marriage, if the grass looks greener somewhere else, it's time to water your own yard!

The sensual mysticism of entire vertical being.

Yes, I was detained for eight days in Waziristan in 1996. It was against my will, and my passport and money were taken from me. I was not mistreated or harmed, but I was also not allowed to leave.

NVC requires us to be continually conscious of the beauty within ourselves and other people.

I'm a pussycat unless you do something to one of my friends. Then I'll think of unique ways to get back at you. I'm more creative than your average bear.

The question is whether we're ready to undertake responsibility for overcoming the crisis or will again sink in debates, mutual recriminations and half-steps