I set before you two ways: You can use your technology to destroy yourselves or to carry you to the planets and the stars. It's up to you.

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.

He who imitates what is evil always goes beyond the example that is set on the contrary he who imitates what is good always falls short.

Take courage. We walk in the wilderness today and in the Promised Land tomorrow

All the stuff that you visualized that was going to work so beautifully, you discover is trashed, so you jump to something else.

She [Evelina] is not, indeed, like most modern young ladies; to be known in half an hour; her modest worth, and fearful excellence, require both time and encouragement to show themselves.

It is important to recognize the limited ability of the legal system to prescribe and enforce the quality of social arrangements.

Score one for Team Kendall, Payton thought. Not that it was a competition between them. Not at all.

I'm really into good nutrition and keeping healthy! That said, I'm also addicted to candy - It's my biggest weakness.

The last time we raised the gas tax, which is how we built the interstate system, was 1993.

The more you stay in this kind of job, the more you realize that a public figure, a major public figure, is a lonely man.

Since I was four, I can't remember wanting to do anything except entertain. And I got some lucky breaks. My daughter Victoria is the same.