Human history can be viewed as a slowly dawning awareness that we are members of a larger group.

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.

Dare to dream big. Never fear to fail. Take actions with love.

Our main purpose of life is to be happy. Happiness is in simplicity, and the most amazing things about life is that it is so simple.

I love cats.

I can't imagine dating someone famous. I try to stay away from that as much as I can.

You can always add something to a bike, but you come to a point where you can’t take anything away and that's a fixed gear bike

Conceit is incompatible with understanding.

I can be inappropriate at times.

You never know where your influences are going to come from, or where you're going to find your inspiration.

The fact that I'm going to be unsuccessful at times is pretty well-balanced by the fact that I'm going to be successful at others.

Give death announcements each time you move instead of giving announcements of the change of address. Send the same when you die.