There is a belief that all people have both good and evil within them, but some individuals actively explore the darker aspects of themselves. The speaker reflects on their own inclination towards goodness and light, but acknowledges the importance of understanding and working with their shadow side. Exploring the subconscious is crucial for achieving mental health, and Paul describes ten areas for self-exploration. This work is considered significant and the speaker emphasizes the lack of education in exploring our subconscious.