Sacred texts play a significant role in many occult traditions. They are often considered repositories of hidden knowledge, esoteric teachings, and spiritual wisdom. These texts are believed to contain profound insights into the nature of reality, the workings of the universe, and the spiritual path.

To "master thyself" refers to the process of achieving self-mastery or self-control. It encompasses developing a deep understanding of oneself, one's emotions, thoughts, behaviors, and motivations, and consciously working towards personal growth and improvement.