He thought about the problem from a utilitarian perspective.

He is a realist, not a dreamer.

His paintings are drawn in a realism style.

His actions stem from pure egoism.

He has a spirit of altruism and always acts for the benefit of others.

He is reading a book about Gnosticism.

We believe that all people should be treated based on the spirit of egalitarianism.

He is known as a conservative politician.

Protectionist policies are adopted to protect domestic industries from foreign competition.

Feudalism was one of the social systems in medieval Europe.