In other words, human morality can be explained without being explained away.

The words 'to make money' hold the essence of human morality.

How do you explain human morality to an alien?

They refused to be limited by human moralities or taboos.

The initial principles behind all three Laws derive from universal human morality.

And I failed to realize the extent to which political ideology can displace human morality.

Not so much in terms of religious doctrine, as simple human morality.

How to save the best of human morality in the face of such men?

In the book, Ridley explores the issues surrounding the development of human morality.

Wallace, for his part, thought that human morality could never have been shaped by natural selection.