Joseph Glanvill Quotes

Joseph Glanvill — English Writer died on December 30, 1680

Joseph Glanvill was an English writer, philosopher, and clergyman. Not himself a scientist, he has been called "the most skillful apologist of the virtuosi", or in other words the leading propagandist for the approach of the English natural philosophers of the later 17th century. In 1661 he predicted.. (wikipedia)

That though we are certain of many things, yet that Certainty is no absolute Infallibility, there still remains the possibility of our being mistaken in all matters of humane Belief and Inquiry.

It may not be impossible, but that our Faculties may be so construed, as always to deceive us in the things we judge most certain and assured.

And for mathematical science, he that doubts their certainty hath need of a dose of hellebore.

The belief of our Reason is an Exercise of Faith, and Faith is an Act of Reason.