The moral principles of Judaism, Christianity, Islam, Buddhism and Hinduism are revealed. The ethical teachings of traditional and new religions (including Mormons, Hare Krishnas, Scientologists) are compared. It is shown that almost every religion can offer answers to the global challenges of our time and contribute to the survival of humanity in the 21st century. The book is intended for specialists in the field of religious studies, as well as everyone interested in religious life and the moral state of society and modern man.