The preface of the Srimad Bhagavad Gita emphasizes the importance of understanding the teachings without unauthorized commentary, asserting that Lord Krishna is the supreme personality of Godhead. It stresses that the purpose of the Gita is to guide conditioned souls back to understanding Krishna's divine nature and their eternal relationship with Him. The document urges individuals to prioritize the satisfaction of the Lord's senses over mundane material comforts for true happiness.