“Being in control of who has power over you is simply good business and in contrast, you may have some similar control over others.”

Who said it, and where.

Who said “Being in control of who has power over you is simply good business and in contrast, you…”? Isaac Mashman wrote it in Personal Branding: A Manifesto on Fame and Influence, Second Edition (2025), Section 5.2, Who Has Leverage Over You?.