Vanity of vanities and vexation of spirit! How often have we heard or uttered these Old Testament words ourselves, without thinking at all about their meaning. Has anyone ever thought about the meaning of the Old Testament itself? Undoubtedly, you can turn to the famous clergy of antiquity, who discussed verbosity in their long treatises about religion and its foundations, but you will never know the very depth, the very essence of what served as its origin. Just as you won’t learn everything in this book if you don’t know how to think. Man has risen to modern heights thanks to the great gift received from the Lord God - reason. But the mind can bring incredible suffering to all living things if a person does not awaken and remember who he is and why he is in this blessed world!