Which specific teaching from chapter 37 helps overcome the fear of death?

According to Chapter 37, the primary way to overcome the fear of death, which is described as the great fear of worldly existence, is to hold firmly to the Guru’s feet. This act of devotion and surrender grants the devotee a non-dual intellect. The text explains that where there is a perception of duality, fear enters. By serving the non-distinguished state through the Guru's grace, one can attain a state where there is not even a trace of fear. This is rooted in the science of oneness, which ends the cycle of birth and death.