Whichever theory we adopt to give a rational explanation of human existence, that theory must take into account and explain the mental nature we see at work in all modern communities.


Evolution and Ethics (ed. 1947)


Whichever theory we adopt to give a rational explanation of human existence, that theory must take into account and explain the mental nature we see...

Whichever theory we adopt to give a rational explanation of human existence, that theory must take into account and explain the mental nature we see...

Whichever theory we adopt to give a rational explanation of human existence, that theory must take into account and explain the mental nature we see...

Whichever theory we adopt to give a rational explanation of human existence, that theory must take into account and explain the mental nature we see...