Both the Freudian and the Platonic metaphors emphasize the considerable independence of and tension among the constituent parts of the psyche, a point that characterizes the human condition.

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.

My job as a portrait photographer is to seduce, amuse and entertain.

It doesn't matter what others are doing. It matters what you are doing.

All I ever have to be is what you made me.

In any country, if you don't have countervailing institutions, the power of any one president is problematic for democratic development.

I don't understand why Christians are taking such a bashing...and why do we glorify people that do destructive things?

You've got to watch your mind all the time or you'll awaken and find a strange picture on your press.

The symbol of the race ought to be a human being carrying an ax, for every human being has one concealed about him somewhere, and is always seeking the opportunity to grind it.

You can say anything, anything, if it is beautifully said.

We love being on tour. It's what we do, what we're all about, and we enjoy doing that more than anything.

Without standards, there can be no improvement.