Publisher's Synopsis
We all want a comfortable, leisurely and happy life when we retire. To achieve that success, we must make a lot of effort in our younger years. And obviously, knowledge and thinking are the things that accompany us throughout that effort. This books will ake us to discover the joys that are not measurable on the journey of seeking and conquering knowledge. Not only is a tool that helps us achieve our goals in life, study, Contemplation and thinking are also a process of continuous self-discovery and enrichment of the soul.