<human>:  What is the meaning of the painting, ‘The Death of Marat’ by Jacques-Louis David?
<bot>: The painting depicts the murder of Jean-Paul Marat, a leader of the French Revolution. Marat was a physician, writer, and politician who was assassinated by Charlotte Corday on July 13, 1793. The painting shows Marat lying on his deathbed, with a nurse holding a glass of poison in one hand and a dagger in the other. The nurse is about to stab Marat in the heart.