Religion is not the most important thing.

Science progresses best when observations force us to alter our preconceptions.

Science is competitive, aggressive, demanding. It is also imaginative, inspiring, uplifting.

We became astronomers thinking we were studying the universe, and now we learn that we are just studying the 5 or 10 percent that is luminous.

No observational problem will not be solved by more data.

I guess to me religion is a kind of moral code.

Three of my children married Jewish people. One did not and that marriage didn't last more than half a dozen years or so. The others are still very close.

I decided I needed to give up something, so I gave up teaching.

It's certainly true that most of my close friends are Jewish.

The man of wisdom is never of two minds

If you have not done things worthy of being written about, at least write things worthy of being read.

Your first 10, 000 photographs are your worst.

You can make excuses or you can achieve your goals, but you can't do both.

Patriotism can results in racism

Real dialogue is where two or more people become willing to suspend their certainty in each other's presence.

In the dissolution of sentimental partnerships it is seldom that both associates are able to withdraw their funds at the same time.

Let whatsoever will or can befall me, I will surely cleave by my sweet Savior Christ Jesus, for in Him am I baptized; I can neither do nor know anything but only what He has taught me.

As people used to be wrong about the motion of the sun, so they are still wrong about the motion of the future. The future stands still, it is we who move in infinite space.

The truth is that we will never save wildlife by killing it.