Genius is talent provided with ideals.

Freedom! That was the thought that sung in her heart so that even though the future was so dim, it was iridescent like the mist over the river where the morning sun fell upon it. Freedom! Not only freedom from a bond that irked, and a companionship which depressed her; freedom, not only from the death which had threatened, but freedom from the love that had degraded her; freedom from all spiritual ties, the freedom of a disembodied spirit, and with freedom, courage , and a valiant unconcern for whatever was to come.

Advice to first year medical students: In anatomy, it is better to have learned and lost than never to have learned at all.

On the earth, satellite of a star speeding through space, living things had arisen under the influence of conditions which were part of the planet's history; and as there had been a beginning of life upon it, so, under the influence of other conditions, there would be an end: man, no more significant than other forms of life, had come not as the climax of creation but as a physical reaction to the environment.

Have common sense and stick to the point.

It is unsafe to take your reader for more of a fool than he is.

Dying is the most hellishly boresome experience in the world! Particularly when it entails dying of 'natural causes'.