La Llave Maestra de La Riqueza

His insights have influenced countless success stories, but I'm curious what personal experiences or observations motivated him to share these principles.

While the title suggests wealth, some of the lessons feel more about mindset. Has anyone applied these concepts to areas beyond money?

The book emphasizes thoughts and beliefs, but success often also requires tangible steps. Do readers feel it leans too much toward philosophy or offers actionable advice?