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.

In a tribal organization, even in time of peace, service to tribe or state predominates over all self seeking; in war, service for the tribe or state becomes supreme, and personal liberty is suspended.

Christianity has not conquered nationalism; the opposite has been the case nationalism has made Christianity its footstool.

Universalism as an ideal is as old as nay, is probably much more ancient than the Christian ideal.

I am a rank individualist.

No tempting form of error is without some latent charm derived from truth.

My personal conviction is that science is concerned wholly with truth, not with ethics.