The affirmation “I am whole, perfect, strong, powerful, loving, harmonious, and happy from The Master Key System written by Charles Haanel.

This phrase is one of the key affirmations in the book, which Haanel designed to help individuals harness their personal power and achieve greater control over their mental and physical circumstances.

The Master Key System is a comprehensive guide that combines philosophy, spirituality, and a practical approach to developing the faculties necessary to achieve personal goals.

The affirmation itself is meant to instill a sense of completeness and positivity, aligning one’s thoughts with constructive and harmonious action.