It is said that men may not be the dreams of the god, but rather that the gods are the dreams of men.

We are a way of the universe knowing itself.

For all our conceits about being the center of the universe, we live in a routine planet of a humdrum star stuck away in an obscure corner ... on an unexceptional galaxy which is one of about 100 billion galaxies. ... That is the fundamental fact of the universe we inhabit, and it is very good for us to understand that.

The cosmos is within us. We are made of star stuff

We are not smart enough to decide which pieces of knowledge are permissible and which are not.

Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Chlorine is a deadly poison gas employed on European battlefields in World War I. Sodium is a corrosive metal which burns upon contact with water. Together they make a placid and unpoisonous material, table salt. Why each of these substances has the properties it does is a subject called chemistry.