And after we returned to the savannahs and abandoned the trees, did we long for those great graceful leaps and ecstatic moments of weightlessness in the shafts of sunlight of the forest roof?

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.

TO BE IS NOT AS IMPORTANT AS TO FEEL!

Curiosity does, no less than devotion, pilgrims make.

I did not, however, commit suicide, because I wished to know more of mathematics.

That's really what ultimately matters - the emotions and feelings that you experienced and people around [whom] you experienced [them].

I liked his ability to deal with a lot of the negativity that surrounded him. Even though he was in a world that he didn't want to be in, he still saw the bigger picture.

The mind that is cheerful in its present state, will be averse to all solicitude as to the future, and will meet the bitter occurrences of life with a placid smile.

The existence of the Bible, as a book for the people, is the greatest benefit which the human race has ever experienced. Every attempt to belittle it is a crime against humanity.

My students frequently ask what their next project should be. My advice: immerse yourself in the music you love and you will find what you want to do; you will discover your next project.

I am the fonder of my garden for all the trouble it gives me, and the grudging reward that my unending labours exact.

People that are born beautiful like supermodels act like entitled a**holes. It makes you embarrassed just to see 'em. They handle beauty embarrassingly.