This document outlines methodologies for inner development through scientific and spiritual means. It discusses developing one's potentials through removing ignorance, developing love, charity, reasoning and discrimination. The paths of selfless service, devotion, knowledge, and meditation are described as means for inner purification and realizing non-duality with the divine. Meditation practices like concentration, mindfulness, and loving-kindness are explained as tools for controlling the mind, gaining insight, and achieving equanimity. Caution is advised to avoid fanaticism and hasten progress slowly.