Reason, observation, and experience; the holy trinity of science.

Laughing has always been considered by theologians as a crime.

The hands that help are better far / Than lips that pray. / Love is the ever gleaming star / That leads the way, / That shines, not on vague worlds of bliss, / But on a paradise in this.

You cannot be so poor that you cannot help somebody.

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?

There is only one way to be happy, and that is to make somebody else so, and you cannot be happy by going cross lots; you have got to go the regular turnpike road.

My principal objections to orthodox religion are two: slavery here and hell hereafter.