There can be but little liberty on earth while men worship a tyrant in heaven.

The intellectual advancement of man depends on how often he can exchange an old superstition for a new truth.

Labor is the only prayer that Nature answers.

Let us agree not to step on each other’s feet.

If there is a God who will damn his children forever, I would rather go to hell than to go to heaven and keep the society of such an infamous tyrant.

[T]he blossom of benevolence, of charity, is the fairest flower, no matter whether it blooms by the side of a hovel, or bursts from a vine climbing the marble pillar of a palace. I respect no man because he is rich; I hold in contempt no man because he is poor.

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.