"All roads lead to one truth." This is something that every reader should keep in mind as they study this book. And this is because, despite its theosophical perspective, it includes principles and truths that are objective and should be accepted by every sincere student of inner teachings. All the prerequisites of inner discipleship, stages of development, and the future vision for a spiritual life on the planet are presented in a particularly clear manner, thus providing the foundations that one must build in order to make substantial progress.