God has always been hard on the poor.

On his return to London he further enhanced his reputation with the publication of an Enquiry into the Nature Cause and Cure of a Singular Disease of the Eyes. In his Mémoires his later enemy Brissot admitted Marat's growing influence in Parisian scientific circles. His journalism was renowned for its fiery character and uncompromising stance toward "enemies of the revolution" and basic reforms for the poorest members of society.

Marat was one of the most extreme voices of the French Revolution and he became a vigorous defender of the sans-culottes; he broadcasted his views through impassioned public speaking essay writing and newspaper journalism which carried his message throughout France. His journalism was renowned for its fiery character and uncompromising stance toward "enemies of the revolution" and basic reforms for the poorest members of society. Marat was murdered in his bathtub by Charlotte Corday a Girondist sympathizer.