There is a fundamental difference between religion, which is based on authority, [and] science, which is based on observation and reason. Science will win because it works.

A million million million million (1 with twenty-four zeros after it) miles, the size of the observable universe.

It surprises me how disinterested we are today about things like physics, space, the universe and philosophy of our existence, our purpose, our final destination. Its a crazy world out there. Be curious.

The laws of science, as we know them at present, contain many fundamental numbers, like the size of the electric charge of the electron and the ratio of the masses of the proton and the electron .... The remarkable fact is that the values of these numbers seem to have been finely adjusted to make possible the development of life.

I believe everyone should have a broad picture of how the universe operates and our place in it. It is a basic human desire. And it also puts our worries in perspective.

When I hear of Schrödinger's cat, I reach for my pistol.

What is important is that we have the ability to create.