When I do good, I feel good. When I do bad, I feel bad. That's my religion.

You can tell people they are wrong by a look or an intonation or a gesture just as eloquently as you can in words - and if you tell them they are wrong, do you make them want to agree with you? Never! For you have struck a direct blow at their intelligence, judgment, pride and self-respect. That will make them want to strike back. But it will never make them want to change their minds. You may then hurl at them all the logic of a Plato or an Immanuel Kant, but you will not alter their opinions, for you have hurt their feelings.

You don't feel like smiling? Then what? Two things. First, force yourself to smile. If you are alone, force yourself to whistle or hum a tune or sing. Act as if you were already happy, and that will tend to make you happy. Here is the way the psychologist and philosopher William James put it:
"Action seems to follow feeling, but really action and feeling go together; and by regulating the action, which is under the more direct control of the will, we can indirectly regulate the feeling, which is not.

Opinion is ultimately determined by the feelings, and not by the intellect.

Thoughts are the shadows of our feelings — always darker, emptier, simpler.

A witticism is an epigram on the death of a feeling.

In reality, what he had really wanted was a feeling of importance. He got this feeling of importance at first by kicking and complaining. But as soon as he got his feeling of importance from a representative of the company, his imagined grievances vanished into thin air.

It was this desire for a feeling of importance that led an uneducated, poverty-stricken grocery clerk to study some law books he found in the bottom of a barrel of household plunder that he had bought for fifty cents. You have probably heard of this grocery clerk. His name was Lincoln.

The desire for a feeling of importance is one of the chief distinguishing differences between mankind and the animals.

The essential trait in the moral consciousness, is the control of some feeling or feelings by some other feeling or feelings.

At any street corner the feeling of absurdity can strike any man in the face.