Can you explain the symbolism of the 'sword of Knowledge' and the 'tree of worldly existence' mentioned in Chapter 16?

Chapter 16 employs powerful metaphors to describe the Guru's spiritual power. The 'sharp blade of the sword of Knowledge' represents the discerning wisdom that cuts through ignorance and illusion. Its brilliance symbolizes the clarity and power of true spiritual understanding. The text states that when the Guru raises His hand to strike with this sword, the 'tree of worldly existence (Bhav-vriksha) trembles in fear.' This tree symbolizes the endless cycle of birth, death, and worldly attachments. As described in Chapter 16, the mere threat of the Guru's knowledge is enough to shake the very foundations of this worldly existence, signifying its power to liberate a devotee from bondage.