The Book of Self Mastery: Timeless Quotes About Knowing, Changing, and Mastering Yourself by Designing the Mind English | September 23, 2020 | ISBN: N/A | ASIN: B08JZ2X3T7 | 156 pages | PDF | 1.10 Mb Newly expanded and annotated, The Book of Self Mastery is a thoughtfully curated collection of