In the sciences, the authority of thousands of opinions is not worth as much as one tiny spark of reason in an individual man.

Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not.

It is necessary for the Bible, in order to be accommodated to the understanding of every man, to speak many things which appear to differ from the absolute truth so far as the bare meaning of the words is concerned.

Nothing can be taught to a man, only it's possibly to help him to discover it inside.

Holy Writ was intended to teach men how to go to Heaven not how the heavens go.

But of all other stupendous inventions, what sublimity of mind must have been his who conceived how to communicate his most secret thoughts to any other person, though very far distant either in time or place? And with no greater difficulty than the various arrangement of two dozen little signs upon paper? Let this be the seal of all the admirable inventions of man.