This book is a collection of essays on the development of moral philosophy and review of studies in evolutionary sciences related to the cooperative behavior published previously and arranged in a thematic sequence. The book is a reedtion of slightly modified and updated previous publication. It contains essays grouped into several thematic sections: The Virtue Ethics: The Ethics of a Sage; Christian Ethics; Critique of Christian Ethics; Discursive Ethics; Ethics and Evolution; Humanist Ethics; Issues in Practical Ethics.The book attempts to summaries the attempts of the human mind to deal with the question of human condition of living in a society and how we should behave toward each other and toward the rest of the world.