reason Quotes

Is it not a species of blasphemy to call the New Testament revealed religion, when we see in it such contradictions and absurdities.

Any system of religion that has anything in it that shocks the mind of a child, cannot be true.

He that rebels against reason is a real rebel, but he that in defence of reason rebels against tyranny has a better title to Defender of the Faith, than George the Third.

Every science has for its basis a system of principles as fixed and unalterable as those by which the universe is regulated and governed. Man cannot make principles; he can only discover them.

That God cannot lie, is no advantage to your argument, because it is no proof that priests can not, or that the Bible does not.

Reason obeys itself; and ignorance submits to whatever is dictated to it.

We can only reason from what is; we can reason on actualities, but not on possibilities.

To argue with a man who has renounced the use and authority of reason, and whose philosophy consists in holding humanity in contempt, is like administering medicine to the dead, or endeavoring to convert an atheist by scripture.

Science is the great antidote to the poison of enthusiasm and superstition.

The theory that can absorb the greatest number of facts, and persist in doing so, generation after generation, through all changes of opinion and detail, is the one that must rule all observation.