Accepted Quote by Peter Singer

The principles of ethics come from our own nature as social, reasoning beings.

— Peter Singer

Ethics evolve naturally, and we trample upon them with laws created by reason and experience.

— Winston Churchill

“Our treatment of animals and our attitude toward them are crucial not only to any pretensions we have to ethical behavior but the humankind's…

— Joy Williams

The core of ethics runs deep in our species and is common to human beings everywhere. It survives the most appalling hardships and the…

— Peter Singer

As a social primate species, we modulate our morals with signals from family, friends and social groups with whom we identify because in our…

— Michael Shermer

Humans, the supremely social mammals, are ethical and intellectual sponges. We unconsciously absorb, for good or ill, the influences that surround us.

— George Monbiot

I don't believe that we evolved moral psychology; it just doesn't seem plausible to me as a biological phenomenon.

— Tom Stoppard

The first step in the evolution of ethics is a sense of solidarity with other human beings.

— Albert Schweitzer

Not only our moral life, but even our use of theoretical reason - on which we rely in rationally inquiring into nature - presupposes…

— Allen W. Wood

Although humans inherit a biological bias that permits them to feel anger, jealousy, selfishness and envy, and to be rude, aggressive or violent, they…

— Jerome Kagan

There is a whole field of inquiry that has come up in the last 30 or 40 years - some call it sociobiology or…

— Richard Dawkins

“Evolution, therefore, cannot account for the origin of our moral feelings, let alone for the fact that we all believe there are external moral…

— Timothy J. Keller