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Very long ago our ancestors had moral systems. Our current institutions are only a couple of thousand years old, which is really not old in the eyes of a biologist.

A growing body of evidence suggests that humans do have a rudimentary moral sense from the very start of life.

We are naturally moral beings, but our environments can enhance - or, sadly, degrade - this innate moral sense.

What we are doing to the future of our children, and the other species on the planet, is a clear moral issue.

The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.

The problem is we need much more moral content.

There are a few dogmas and double standards and really regrettable exports from philosophy that have confounded the thinking of scientists on the subject of morality.

Very ancient parts of the brain are involved in moral decision making.

The moral systems of religion, I think, are super important.