Originality usually amounts only to plagiarizing something unfamiliar.

Each man's private conscience ought to be a nice little self-registering thermometer: he ought to carry his moral code incorruptibly and explicitly within himself, and not care what the world thinks. The mass of human beings, however, are not made that way; and many people have been saved from crime or sin by the simple dislike of doing things they would not like to confess.

The indiscreet questioner - and by indiscreet questions I mean questions which it is not conceivably a man's duty either to the community or to any individual to answer - is a marauder, and there is every excuse for treating him as such.

... the more we recruit from immigrants who bring no personal traditions with them, the more America is going to ignore the things of the spirit. No one whose consuming desire is either for food or for motor-cars is going to care about culture, or even know what it is.

[Science] has challenged the super-eminence of religion; it has turned all philosophy out of doors except that which clings to its skirts; it has thrown contempt on all learning that does not depend on it; and it has bribed the skeptics by giving us immense material comforts.

Conventional manners are a kind of literacy test for the alien who comes among us.

One of the reasons, surely, why women have been credited with less perfect veracity than men is that the burden of conventional falsehood falls chiefly on them.