Labor is the only prayer that Nature answers.

Shakespeare was an intellectual ocean, whose waves touched all the shores of thought; within which were all the tides and waves of destiny and will; over which swept all the storms of fate, ambition and revenge; upon which fell the gloom and darkness of despair and death and all the sunlight of content and love, and within which was the inverted sky lit with the eternal stars -- an intellectual ocean -- toward which all rivers ran, and from which now the isles and continents of thought receive their dew and rain.

If we should put god in the Constitution there would be no room left for man.

No one, in the world's whole history, ever attempted to substantiate a truth by a miracle. Truth scorns the assistance of miracle. Nothing but falsehood ever attested itself by signs and wonders. No miracle ever was performed, and no sane man ever thought he had performed one, and until one is performed, there can be no evidence of the existence of any power superior to, and independent of nature.

The doctrine of eternal punishment is in perfect harmony with the savagery of the men who made the orthodox creeds. It is in harmony with torture, with flaying alive, and with burnings.

Twenty years after the death of Luther there were more Catholics than when he was born. And twenty years after the death of Voltaire there were millions less than when he was born.

All religion is slavery.