Once upon a time there was no Time.

Once upon a time there was no Time.

There was no "before" the beginning of our universe, because once upon a time there was no time.

History is full of people who thought they were right -- absolutely right, completely right, without a shadow of a doubt. And because history never seems like history when you are living through it, it is tempting for us to think the same.

We can predict the present without having to know everything about the past.

If all the stars and galaxies in the universe today were smoothed out into a uniform sea of atoms, there would only be about one atom in every cubic meter of space.

What cannot be known is more revealing than what can.