Never mistake motion for progress.

We laugh and laugh. Then cry and cry- Then feebler laugh, Then die.

When I was younger, I could remember anything, whether it had happened or not; but my faculties are decaying now and soon I shall be so I cannot remember any but the things that never happened. It is sad to go to pieces like this but we all have to do it.

Evolution is the law of policies: Darwin said it, Socrates endorsed it, Cuvier proved it and established it for all time in his paper on The Survival of the Fittest. These are illustrious names, this is a mighty doctrine: nothing can ever remove it from its firm base, nothing dissolve it, but evolution.

When one's character begins to fall under suspicion and disfavor, how swift, then, is the work of disintegration and destruction.

Epitaphs are cheap, and they do a poor chap a world of good after he is dead, especially if he had hard luck while he was alive. I wish they were used more.

Let your secret sympathies and your compassion be always with the under dog in the fight -- this is magnanimity; but bet on the other one -- this is business.