If we want to bring the wandering mind to the platform, it is necessary to end the darkness in the mind. If it's dark, you can't see anything around. Due to the dark environment in the mind, we are ambiguous about our thoughts, feelings and behavior. If we want to end the darkness in the mind, we need to become self-illuminated.

To develop a Self-Illumination, the Concepts of Rational Emotive Behaviour Therapy are included in this book. Factors belongs to Probability, Uncertainty, Unconditional acceptance, Completeness of mind, Human Worth, Approval of others, Guiltiness, Logical foundation, what people will say are illustrated in this book.