Synthesized answer
The author describes his transition from despair to self-realization soon after his 29th birthday [1, 2]. This transformation took another ten years to understand [1, 2].
The passages do not provide further evidence beyond the author's personal transition and the development of his philosophy. They do not detail specific examples or studies the author uses to support his claims.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
author describes his transition from despair to self-realization soon after his 29th birthday. Tolle took another ten years to understand this transformation, during which time he evolved a philosophy that has parallels in Buddhism, relaxation techniques, and meditation theory but is also eminently practical. In The Power of Now he shows readers how to recognize themselves as the creators of their own pain, and how to have a pain-free existence by living fully in the present. Accessing the deepest self, the true self, can be learned, he says, by freeing ourselves from the conflicting,…
Title: The Power of Now by Eckhart Tolle Description: Eckhart Tolle has emerged as one of today's most inspiring teachers. In The Power of Now, already a worldwide bestseller, the author describes his transition from despair to self-realization soon after his 29th birthday. Tolle took another ten years to understand this transformation, during which time he evolved a philosophy that has parallels in Buddhism, relaxation techniques, and meditation theory but is also eminently practical. In The Power of Now he shows readers how to recognize themselves as the creators of their own pain, and how…