The stars, they are as the sun. Each star. Every star. And those spheres- they are worlds, realms, each one different yet the same.

If we are ever in doubt what to do, it is a good rule to ask ourselves what we shall wish on the morrow that we had done.

The belief that personality is mysterious and irreducible has no scientific warrant, and is accepted chiefly because it is flattering to our human self esteem.

Science has made many advances in my lifetime, but the instrument has yet to be invented that can see clearly into the marriage of a man and a woman.

...Our brains are minuscule fragments of the universe, much too small to hold all the facts of the world but not too idle to speculate about them.

God created… light anddark, heaven and hell—science claims the same thing as religion, that the Big Bang createdeverything in the universe with an opposite.“Including matter itself, antimatter.

People cited violation of the First Amendment when a New Jersey schoolteacher asserted that evolution and the Big Bang are not scientific and that Noah's ark carried dinosaurs. This case is not about the need to separate church and state; it's about the need to separate ignorant, scientifically illiterate people from the ranks of teachers.

It is not necessary to be large to be a perfectly good arthropod (or mollusc, come to that).

Nothing in biology makes sense except in the light of evolution.

There is no greater crime against humanity than usury.