Cheats prosper until there are enough who bear grudges against them to make sure they do not prosper.

If it were necessary either to do wrong or to suffer it, I should choose to suffer rather than do it.

Whenever governments adopt a moral tone - as opposed to an ethical one - you know something is wrong.

... luckily, Eden is soon populated. The ethical dimension begins when the other appears on the scene.

Do not injure, abuse, oppress, enslave, insult, torment, torture, or kill any creature or living being.

May we think of freedom not as the right to do as we please but as the opportunity to do what is right.

A strange fanaticism fills our time: the fanatical hatred of morality, especially of Christian morality.

si te olvidas de por qué haces lascosas te olvidarás de por qué debes hacerlas bien.

By acquiescing in an act that causes such suffering to a living creature, who among us is not diminished?

Virtue is more to be feared than vice, because its excesses are not subject to the regulation of conscience.

We rely on faith only in the context of claims for which there is no sufficient sensory or logical evidence.

There are no snares more dangerous than those which lurk under the guise of duty or the name of relationship.

Some people say they love animals and yet harm them nonetheless; I'm glad those people don't love me.

Every social ethic is doomed to failure if it is blind to personal responsibility" (The Ten Commandments, 10).

Day and NightThe night is long: do not shorten it by sleep. The day is fair: do not darken it with wrongdoing.