The lessons learnt by the narrator were
The most important lesson of being optimistic even when the death is about to hug him
The second include the importance of hope in life without hope he wouldnot have survived
The third and the main lesson that is key point of lesson that is one should never be afraid of dying as the death is inevitable
I have given the main lessons learnt by point pls elaborate these points to make it of 120 words
Thank you