The doctrine of the Kingdom of Heaven, which was the main teaching of Jesus, is certainly one of the most revolutionary doctrines that ever stirred and changed human thought.

Looking at these stars suddenly dwarfed my own troubles and all the gravities of terrestrial life.

The darkness grew apace; a cold wind began to blow in freshening gusts from the east, and the showering white flakes in the air increased in number. From the edge of the sea came a ripple and whisper. Beyond these lifeless sounds the world was silent. Silent? It would be hard to convey the stillness of it. All the sounds of man, the bleating of sheep, the cries of birds, the hum of insects, the stir that makes the background of our lives - all that was over.

Now they stumbled in the shackles of humanity, lived in a fear that never died, fretted by a law they could not understand; their mock-human existence began in an agony, was one long internal struggle, one long dread of Moreau - and for what? It was the wantonness that stirred me.

Nature never appeals to intelligence until habit and instinct are useless. There is no intelligence where there is no need of change.

We must end war before war ends us.

Biologists can be just as sensitive to heresy as theologians.