The freedom of thought is a sacred right of every individual man, and diversity will continue to increase with the progress, refinement, and differentiation of the human intellect.

Ethical religion can be real only to those who are engaged in ceaseless efforts at moral improvement. By moving upward we acquire faith in an upward movement, without limit.

As the light of morning strikes now one peak and then another, some being illuminated while others are in the shadow, so the light of the essential moral principle shines now upon one duty and then upon another, while others are in the shadow.

What I state as certain is certain for me. It has approved itself as such in my experience. Let others consult their experience, and see how far it tallies with that which is here set forth.

The Infinite, from which comes the impulse that lead us to activity, is not the highest Reason, but higher than reason; not the highest Goodness, but higher than goodness.

It may be impossible for a man by merely willing it to add wings to his body, but it is possible for any man, by merely willing it, to add wings to his soul. This perennial miracle of the moral nature is capable of happening at any time.

Simplicity should not be identified with bareness.