We go about our daily lives understanding almost nothing of the world.

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.

Hope for the best, brace yourself for the worst and no matter what you’re faced with, make a plan to KEEP GOING!

Great spirits have always encountered violent opposition from mediocre minds.

I am learning all the time. The tombstone will be my diploma.

Art is much, but love is more.

Don't do anything in practice that you wouldn't do in the game.

I am probably exaggerating a little, but I owe my equilibrium to ink and paper.

When I work out, I feel happy, confident, and accomplished.

There is no excellency without difficulty.

The Lebanese people voted this time for change. So they are not satisfied with the actual situation. They want to see a new government. They want to see a new vision.

The world doesn't need another Dell or Compaq.