For after the Battle comes quiet.

I stood staring, not as yet realising that this was death leaping from man to man in that little distant crowd.

Be a man!... What good is religion if it collapses under calamity? Think of what earthquakes and floods, wars and volcanoes, have done before to men! Did you think that God had exempted [us]? He is not an insurance agent.

When the history of civilization is written, it will be a biological history and Margaret Sanger will be its heroine.

I felt the first inkling of a thing that presently grew quite clear in my mind, that oppressed me for many days, a sense of dethronement, a persuasion that I was no longer a master, but an animal among the animals, under the Martian heel.With us it would be as with them, to lurk and watch, to run and hide; the fear and empire of man had passed away.

You Americans have the loveliest wine in the world, you know, but you don't realize it. You call them domestic and that's enough to start trouble anywhere.

Biologists can be just as sensitive to heresy as theologians.