Reading this book is amazing by its density and its impact. From the first pages, the purpose reads simple, concise, to address a central issue of our modern lives: how to maximize our potential as human beings, "become what we dreamed of being." The different stages of the project are developed methodically and clearly. Reading is easy, no need to progress dictionary. Text tables are simple to remember, tests and other exercises immediately verifiable, allowing a good interaction. The title "I recharge my batteries" is in the present tense because it is actually a permanent necessity. For this reason this book is still relevant after reading and remains a reference text to consult regularly