Our ignorance is God; what we know is science. When we abandon the doctrine that some infinite being created matter and force, and enacted a code of laws for their government ... the real priest will then be, not the mouth-piece of some pretended deity, but the interpreter of nature.

It is a blessed thing that in every age some one has had individuality enough and courage enough to stand by his own convictions, -- some one who had the grandeur to say his say. I believe it was Magellan who said, The church says the earth is flat; but I have seen its shadow on the moon, and I have more confidence even in a shadow than in the church. On the prow of his ship were disobedience, defiance, scorn, and success.

If I go to heaven I want to take my reason with me.

We are not accountable for the sins of "Adam".

Diderot took the ground that, if orthodox religion be true Christ was guilty of suicide. Having the power to defend himself he should have used it.

Sacred are the lips from which has issued only truth.

Surely there is grandeur in knowing that in the realm of thought, at least, you are without a chain; that you have the right to explore all heights and depth; that there are no walls nor fences, nor prohibited places, nor sacred corners in all the vast expanse of thought.