Good men, whether they be Christians or rationalists, do not desire to discriminate between races, but the distinctions implanted by Nature are too conspicuous to escape the observation of our senses.

The main force used in the evolving world of humanity has hitherto been applied in the form of war.

We shall never understand the ethical system taught by Jesus unless we realize that he was a Jew, not only by birth, but that he lived and taught as a Jew; the Sermon on the Mount was addressed to his distracted fellow nationals.

Evolution is unproved and unprovable. We believe it only because the only alternative is special creation, and that is unthinkable.

Man is by nature competitive, combative, ambitious, jealous, envious, and vengeful.

Tolerance is held to be a condition of mind which is encouraged by, and is necessary for, civilization.

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