This Deep Dive episode looks into mental wellness as a dynamic skill that must be cultivated through consistent effort rather than a fixed biological trait. Using the metaphor of a soot-covered oil lamp, the author illustrates that our innate "light" or inner wisdom is always present but often obscured by the grime of stress and habit. The author draws on the Lotus Sutra to explain that every state of existence, even suffering, contains the potential for clarity and peace. By engaging in regular mindfulness practices, individuals perform a type of "mental hygiene" that allows their natural brilliance to shine through. Ultimately, the source argues that spiritual practice is not about acquiring new qualities, but about revealing the tranquilitythat already exists within.