The God idea is growing more impersonal and nebulous in proportion as the human mind is learning to understand natural phenomena and in the degree that science progressively correlates human and social events.

Patriotism is a menace to liberty.

Puritanism, in whatever expression, is a poisonous germ. On the surface everything may look strong and vigorous; yet the poison works its way persistently, until the entire fabric is doomed.

Success achieved by the most contemptible means cannot but destroy the soul. ... It helps to cover up the inner corruption and gradually dulls one's scruples, so that those who begin with some high ambition cannot, even if they would, create anything out of themselves.

It is essential that we realize once and for all that man is much more of a sex creature than a moral creature. The former is inherent, the other is grafted on.

The ultimate end of all revolutionary social change is to establish the sanctity of human life, the dignity of man, the right of every human being to liberty and well-being.

The most vital right is the right to love and be loved.