"Old Groans and New Songs: Meditations on the Book of Ecclesiastes" is a meditation by author Frederick Charles Jennings that aims to analyze the book of Ecclesiastes. In this book, readers will find a reflection of life, meanings and philosophy of a scientist who is looking for the meaning of life and the definition of happiness. The author penetrates deeply into the cheerful aspects of life, but does not bypass the dark aspects of human existence, reminding of the wisdom and inevitability of death. This book invites the reader to rethink his own existence, understand the impermanence of the material world and seek spiritual development. Discover new depths of wisdom and reflection in Old Moans and New Songs by Frederick Charles Jennings.