He is deeply interested in Platonic philosophy.

He is known as a historical revisionist.

A totalitarian political system deprives individuals of their freedom.

He is leading a life of hedonism.

He is leading a hedonistic lifestyle.

He is opposed to an authoritarian government.

He is a pessimist, always looking at the bad side of the world.

He believes in the philosophy of absolutism.

Constructivism is an educational theory that knowledge is actively constructed by each learner.

He always tackles things with an optimistic spirit.