For over two thousand years it has been the custom among earnest moralists to decry happiness as something degraded and unworthy

We have, in fact, two kinds of morality side by side; one which we preach but do not practice, and another which we practice but seldom preach.

Happiness is not best achieved by those who seek it directly.

Having made the decision, do not revise it unless some new fact comes to your knowledge. Nothing is so exhausting as indecision, and nothing is so futile.

Of all forms of caution, caution in love is perhaps the most fatal to true happiness.

[T]he infliction of cruelty with a good conscience is a delight to moralists. That is why they invented Hell.