How smart does a chimpanzee have to be before killing him constitutes murder?

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.

Know this: whenever you think of leaving, a part of you has already left. But it’s never too late to get it back.

The master's tools will never dismantle the master's house. They may allow us temporarily to beat him at his own game, but they will never allow us to bring about genuine change.

I am committed to working with Speaker Hastert and the other members of the Illinois congressional delegation to do all that I can to ensure that Illinois' funding needs are adequately met.

[T]he cradle is shallower than the grave.

A detective story generally describes six living men discussing how it is that a man is dead. A modern philosophic story generally describes six dead men discussing how any man can possibly be alive.

Do not consider anything for your interest which makes you break your word, quit your modesty or inclines you to any practice which will not bear the light or look the world in the face.

I lose all control after two drinks of anything

I know nothing at all about music.

I feel like I have the greatest life an artist could dream of.

In reality, I don't think that many of the policies we've attempted to apply to deal with it are going to have any serious effect.