egoism

In the article, the author analyses views of the founder of the Lviv-Warsaw philosophical school, K. Twardowski, on the nature and origin of the morality and correlation principles of the altruism and egoism in human nature which are set forth in his program work «Ethics in the range with theory of evolution». The article asserts that, being an adherent of evolution theory, K. Twardowski argued that there were no innate norms of morality. Ethical norms are the product of evolutionary development as to their relative and variable character.