The universe really is accelerating. By using Chandra to study galaxy clusters, we have obtained strong new evidence for dark energy and clear and direct confirmation that the expansion of our universe is accelerating.

If you look at cosmology, which is the study of the origin of the universe, whatever begins to exist, has a cause. Scientists now believe, the universe must've had a cause. The implication of that cause must be very powerful, very intelligent, immaterial, and beyond time.

What do I dislike about death? Must be the hours.

The difference between sex and death is that with death you can do it alone and no one is going to make fun of you.

There is a theory which states that if ever anybody discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another theory which states that this has already happened.

I want to put a ding in the universe.