Jacques-Louis David — French Artist born on August 30, 1748, died on December 29, 1825

Jacques-Louis David was an influential French painter in the Neoclassical style, considered to be the preeminent painter of the era. In the 1780s his cerebral brand of history painting marked a change in taste away from Rococo frivolity toward a classical austerity and severity, heightened feeling harmonizing with the moral climate of the final years of the Ancien Régime... (wikipedia)

In the arts the way in which an idea is rendered, and the manner in which it is expressed, is much more important than the idea itself.
If the work is poor, the public taste will soon do it justice. And the author, reaping neither glory nor fortune, will learn by hard experience how to correct his mistakes.
To give a body and a perfect form to one's thought, this - and only this - is to be an artist.