This sentence is right?
Pride leads men to discriminate and despise others because of social class, because of gender, skin color, race, financial situation, intellectual capacity. However, it is necessary to understand that all are part of a common class, the class of human beings.

Question

Answer

Pride leads men to discriminate and despise each other based on social class, gender, skin color, race, financial situation, or intellectual capacity. However, it is necessary to understand that all people are part of a common class, the human class.(It is more common to say: all men are part of the human race.