Studies of reconciliation in primates have demonstrated that if the relationship value increases between two parties they are more willing to make peace.

To endow animals with human emotions has long been a scientific taboo. But if we do not, we risk missing something fundamental, about both animals and us.

The enemy of science is not religion... . The true enemy is the substitution of thought, reflection, and curiosity with dogma.

If we look straight and deep into a chimpanzee's eyes, an intelligent self-assured personality looks back at us. If they are animals, what must we be?

If you ask anyone, what is morality based on? These are the two factors that always come out: One is reciprocity, … a sense of fairness, and the other one is empathy and compassion.

Darwin wasn't just provocative in saying that we descend from the apes - he didn't go far enough. We are apes in every way, from our long arms and tailless bodies to our habits and temperament.

Perhaps it's just me, but I am wary of any persons whose belief system is the only thing standing between them and repulsive behavior.

We are territorial, power-hungry and even more brutal than chimpanzees.

The possibility that empathy resides in parts of the brain so ancient that we share them with rats should give pause to anyone comparing politicians with those poor, underestimated creatures.

We are by far the most contradictory of all primates. An animal with this much internal conflict has never lived on this earth.

Socialism cannot function, because its economic reward structure is contrary to human nature.

She smiled, and her eyes started to drift downward. "Cather..." Back up to his eyes."You know that I'm falling in love with you, right?

Why not do as much as you can, and learn as much as you can about each process?

My aim is to achieve sustainable change, not just make a cute little makeover.

Thought nourishes, sustains and gives continuity to fear and pleasure.

Democritus's work on the void was revolutionary.

Do any exercise you want as long as you're willing to do it. You see gym equipment on TV advertisements all the time, but guess what? It's only good if you actually use it.

I like criticism, but it must be my way.

Of course, not all desires lead to happiness. Desires can and do lead to pain and frustration.

I have always thought, the secret purpose of the book tour is to make the writer hate the book he's written. And, as a result, drive him to write another book.

Music is the soundtrack of our lives, it's essential for our lives.