Acharya Prashant discusses a Zen Koan where a master cuts off a boy's finger to illustrate profound spiritual truths. He explains that for a teacher, the physical body is of little consequence compared to the attainment of wisdom. The teacher views the sacrifice of a finger, or even one's life, as a small price to pay for immortality and truth. The act of cutting the finger signifies that the teacher will not allow the student to escape into trivialities or physical excuses. Furthermore, the master's raised finger represents the one ultimate reality. When the boy tried to mimic this gesture, he was attempting to create a duplicate or false truth. By removing the boy's finger, the master demonstrates that only the singular truth of the teacher prevails and that any false competition with the truth must be eliminated. The boy's immediate enlightenment occurs because he instantly understands that the truth bears no comparison or alternative.