Degree of conformance to our other beliefs. One of our criteria for the assessment of explanations is coherence with our existing beliefs.

Life on earth is considered a miracle, but why is other life in the cosmos a difficult concept?

We need to give an informative set of criteria for the best explanation. It is very difficult to do so. Here are some factors which should be taken into account

It's amazing to me that we humans have the intellectual capacity to ask deep questions and to devise methods for learning how the universe works and how its contents evolve with time.

Whoever uses the spirit that isin him creatively is an artist. Tomake living itself an art, that isthe goal.

A picture was a motionless record of motion. An arrested representation of life. A picture was the kiss of death pretending to possess immutability.

Hell must be a pretty swell spot, because the guys that invented religion have sure been trying hard to keep everybody else out.

What I admire most are people who put themselves directly on the line.

I totally alienated some reporters as I retreated.

More science and more technology are not going to get us out of the present ecological crises until we find a new religion, or rethink our old one.

The crashes people remember, but drivers remember the near misses.

We are all of us born, live and die in the shadow of a giant question mark that refers to three questions: Where do we come from? Why? And where, oh where, are we going!

Yeah, it's hard. It's really, really hard. But 'hard' is not 'impossible'.