Mark Twain Integrity Quotations

It is curious that physical courage should be so common in the world and moral courage so rare.

Principles have no real force except when one is well-fed.

Laws control the lesser man... Right conduct controls the greater one.

Man is the only animal that blushes - or needs to.

But that's always the way; it don't make no difference whether you do right or wrong, a person's conscience ain't got no sense, and just goes for him anyway. If I had a yaller dog that didn't know no more than a person's conscience does I would pison him. It takes up more room than all the rest of a person's insides, and yet ain't no good, nohow.

If the desire to kill and the opportunity to kill came always together, who would escape hanging?

Any emotion, if it is sincere, is involuntary.

If one is honest there is no need to remember.