It is an unfortunate fact that every man who seeks to disseminate knowledge must contend not only against ignorance itself, but against false instruction as well. No sooner do we deem ourselves free from a particularly gross superstition, than we are confronted by some enemy to learning who would set aside all the intellectual progress of years, and plunge us back into the darkness of mediaeval disbelief.

It is an unfortunate fact that every man who seeks to disseminate knowledge must contend not only against ignorance itself, but against false instruction as well. No sooner do we deem ourselves free from a particularly gross superstition, than we are confronted by some enemy to learning who would set aside all the intellectual progress of years, and plunge us back into the darkness of mediaeval disbelief.

With five feeble senses we pretend to comprehend the boundlessly complex cosmos, yet other beings with wider, stronger, or different range of senses might not only see very differently the things we see, but might see and study whole worlds of matter, energy, and life which lie close at hand yet can never be detected with the senses we have.

Unhappy is he to whom the memories of childhood bring only fear and sadness.

Sometimes I believe that this less material life is our truer life, and that our vain presence on the terraqueous globe is itself the secondary or merely virtual phenomenon.

At night, when the objective world has slunk back into its cavern and left dreamers to their own, there come inspirations and capabilities impossible at any less magical and quiet hour. No one knows whether or not he is a writer unless he has tried writing at night.

The darkness always teemed with unexplained sound - and yet he sometimes shook with fear lest the noises he heard subside and allow him to hear certain other fainter noises which he suspected were lurking behind them.