If reason be a gift of Heaven, and we can say as much of faith, Heaven has certainly made us two gifts not only incompatible, but in direct contradiction to each other. In order to solve the difficulty, we are compelled to say either that faith is a chimera or that reason is useless.
Denis DiderotThere is less harm to be suffered in being mad among madmen than in being sane all by oneself.
Denis Diderot