Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.

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.

Be charitable and indulgent to every one but thyself.

To many mortals silence great gain brings.

Ted Cruz announcing he's no longer never [Donald] Trump.

A mathematician ... has no material to work with but ideas, and so his patterns are likely to last longer, since ideas wear less with time than words.

A nation's character is the sum of its splendid deeds; they constitute one common patrimony, the nation's inheritance. They awe foreign powers, they arouse and animate our own people.

I make independent movies. I don't know how to do anything else. I don't know any other job that I could really get.

I don't think anyone gets married thinking that they will get divorced.

It doesn't necessarily mean at all that the composer plays his own works best.

I don't know how many millions I'll make, so I have to give some back to charity. God blesses me with the money, but only if I give some away.

Why wait for a call when you have a command?