Hermes Trismegistus "First Book" 4, 5 and 6

This is a continuing series of explanations of Hermes Trismegistus' "First Book". I am attempting to separate out the lessons listed in Hermes first book, explaining each statement made by Hermes to the best of my ability and offering it to those who want my own personal interpretation. Of course, it becomes obvious that my answers are perceptions based on my own reasoning power, but I hope that some of these answers will spread some enlightenment to those who seek the answers from themselves.

4. Be Pious and Religious, O my Son, for he that doth so, is the best and highest Philosopher; and without Philosophy, it is impossible ever to attain to the height and exactness of Piety or Religion.