This book is a unique experiment, a daring attempt made by the famous French theologian, Catholic priest Francois Brun, to enter into dialogue with other religions and consider: what actually is the concept of karma, which has become fashionable in the latest concepts? Is it compatible with Christianity? And can it give something to a modern Christian? In an attempt to answer these questions, we set off, together with the author, on a unique journey through times and countries, examining and comparing various concepts of salvation and ideas about God and man in world religions, in various directions of Christian theology and in modern science. To come to an amazing discovery, convincingly conveyed to the reader by the author: that we are loved by God, that God in Christ became Man for our sake, that God expects reciprocal love from us, that we can only give such love to Him freely, and that love for God is inseparable from love for a person, for one’s neighbor, for all humanity.