I picture the vast realm of the sciences as an immense landscape scattered with patches of dark and light. The goal towards which we must work is either to extend the boundaries of the patches of light, or to increase their number. One of these tasks falls to the creative genius; the other requires a sort of sagacity combined with perfectionism.
Denis DiderotShakespeare's fault is not the greatest into which a poet may fall. It merely indicates a deficiency of taste.
Denis DiderotI have not the hope of being immortal, because the desire of it has not given me that vanity.
Denis Diderot