Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.

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.

Yours is the light by which my spirit's born: - you are my sun, my moon, and all my stars.

Every risk that you take in order for you to come into significance is the greatest kind of risk to take.

Beauty and desire to possess have driven men mad for centuries.

What is it that would make a creature as fierce, majestic and powerful as a lion is, subject itself to the intimidation of a man a whip and a chair? The lion has been taught to forget what it is.

The beautiful result often astonishes us when our mind becomes oblivious to the work done with our heart.

Most people probably become more jaded the longer they work in the world of work.

Unless you expect the unexpected you will never find it, for it is hard to discover and hard to attain.

Never try to time the bond market. Anyone who claims to know the future of interest rates is certifiable.

I never got into 'Star Wars.' Maybe because they made no attempt to portray real physics. At all.

The faster you can sample sound when you are digitizing it, the higher the frequency, the less phase ambiguity at the higher frequencies.