Errors of knowledge are not breaches of morality; no proper moral code can demand infallibility or omniscience.

Rights are not a matter of numbers - and there can be no such thing, in law or in morality, as actions forbidden to an individual, but permitted to a mob.

People, he thought, were as hungry for a sight of joy as he had always been--for a moment's relief from that gray load of suffering which seemed so inexplicable and unnecessary. He had never been able to understand why men should be unhappy.

No man can have a right to impose an unchosen obligation , an unrewarded duty or an involuntary servitude on another man. There can be no such thing as " the right to enslave .

Happiness is not something you have in your hands; it's something you carry in your heart. Happiness is one thing that multiplies by division. Happiness is that peculiar sensation you acquire when you are too busy to be miserable. Happiness is that state of consciousness which proceeds from the achievement of one's values.

Did I feel a physical desire for him? I did. Was I moved by a passion of my body? I was. Have I experienced the most violent form of sensual pleasure? I have.

The right to life means that a man has the right to support his life by his own work (on any economic level, as high as his ability will carry him); it does not mean that others must provide him with the necessities of life.