This letter discusses various aspects of life that are certain, uncertain, or can deteriorate one's life. It mentions that time, chance, serenity, honesty and hope are undeniable parts of life, while dreams, fate, success and anger are uncertainties. The letter also states that liquor, arrogance and anger can deteriorate one's life. It closes by saying kind hearts, thoughts, words and deeds are like a garden that bears fruit with love.