There is no moral precept that does not have something inconvenient about it. – Denis Diderot
Genius is present in every age, but the men carrying it within them remain benumbed unless extraordinary events occur to heat up and melt the mass so that it flows forth. – Denis Diderot
All abstract sciences are nothing but the study of relations between signs. – Denis Diderot
There are three principal means of acquiring knowledge… observation of nature, reflection, and experimentation. Observation collects facts reflection combines them experimentation verifies the result of that combination. – Denis Diderot