How does Bertrand Russell describe Modernity?

Bertrand Russell, british philosopher, is one of the greatest philosophers of the twentieth century. He is both a brilliant mathematician, a logician and a resolut moralist. He popularized the philosophy and was a left-wing political militant , close to socialism. Bertrand Russell was also a prolific writer.

Explanation:

the crusaders are identified in the painting;

c. by the red crosses on their backs

stick up my a**