He deeply believes in the principles of socialism.

He is a perfectionist, and his approach to work is very strict.

Capitalism is a form of economy characterized by private property and the pursuit of corporate profits.

He is acting based on humanitarianism.

He always has an optimistic way of thinking.

He always takes a pessimistic view.

He deeply believes in the principles of communism.

His paintings are strongly influenced by expressionism.

He strongly believes in the philosophy of positivism.

He is deeply interested in existentialist philosophy.