Written by Santiago Barcón, who has dedicated his professional life to becoming an ever-improving professional and training others, always sharing his experiences and knowledge with great generosity.This enjoyable and useful work is destined to become a reference book for engineers and future professionals in this field. It can be applied to all professions, regardless of the discipline in which the individual works; they will dignify them and seek to create a better world where respect for others and for oneself prevails.The 100 pieces of advice offered in the book can be grouped into the following topics: skills and values, personal and professional development, and professional practice. In addition to explaining them, it presents real-life examples that illustrate the importance of what is stated.