Who can over estimate the progress of the world if all the money wasted in superstition could be used to enlighten, elevate and civilize mankind?

Intellect, without heart, is infinitely cruel. . . . So that, after all, the real aristocracy must be that of goodness where the intellect is directed by the heart.

The object of all education should be to increase the usefulness of man - usefulness to himself and others.

When I became convinced that the universe is natural, that all the ghosts and gods are myths, there entered into my brain, into my soul, into every drop of my blood the sense, the feeling, the joy of freedom. The walls of my prison crumbled and fell. The dungeon was flooded with light and all the bolts and bars and manacles became dust.

Do you not know that every religion in the world has declared every other religion a fraud? Yes, we all know it. That is the time all religions tell the truth - each of the other.

If the world ever advances beyond what it is today, it must be led by men who express their real opinions.

Today the intelligence of the world denies the miraculous. Ignorance is the soil of the supernatural. The foundation of Christianity has crumbled, has disappeared, and the entire fabric must fall. The natural is true. The miraculous is false.