Those who cannot remember the past are condemned to repeat it.

Those who cannot remember the past are condemned to repeat it.

Skepticism is the chastity of the intellect, and it is shameful to surrender it too soon or to the first comer: there is nobility in preserving it coolly and proudly through long youth, until at last, in the ripeness of instinct and discretion, it can be safely exchanged for fidelity and happiness.

Each religion, by the help of more or less myth which it takes more or less seriously, proposes some method of fortifying the human soul and enabline it to make its peace with its destiny.

Before he sets out, the traveler must possess fixed interests and facilities to be served by travel.

The need of exercise is a modern superstition, invented by people who ate too much and had nothing to think about.

Advertising is the modern substitute for argument; its function is to make the worse appear the better.

There is no cure for birth and death save to enjoy the interval

America is the greatest of opportunities and the worst of influences.

It takes a wonderful brain and exquisite senses to produce a few stupid ideas.

Music is essentially useless, as life is.

The wisest mind has something yet to learn.

Before you contradict an old man, my fair friend, you should endeavor to understand him.

To knock a thing down, especially if it is cocked at an arrogant angle, is a deep delight of the blood.

Whoever it was who searched the heavens with a telescope and found no God would not have found the human mind if he had searched the brain with a microscope.

Skepticism, like chastity, should not be relinquished too readily.

The world is not respectable; it is mortal, tormented, confused, deluded forever; but it is shot through with beauty, with love, with glints of courage and laughter; and in these, the spirit blooms timidly, and struggles to the light amid the thorns.

Sanity is a madness put to good use.

Advertising is the modern substitute for argument; its function is to make the worse appear the better.

Those who speak most of progress measure it by quantity and not by quality.