What is the spiritual significance of the prayer for calamities mentioned at the beginning of Amir's story?

The beginning of the narrative in Chapter 22 introduces a profound spiritual concept through a prayer that asks God for sorrow. The prayer states, "O Lord God, give happiness to others who ask for it; Give me a constant series of sorrows, so I do not forget Your name." This philosophy suggests that suffering and calamities can serve a higher purpose by keeping a devotee constantly mindful of the divine. In contrast, happiness might lead to complacency and forgetting God. The prayer emphasizes that the remembrance of God's name is the ultimate goal, an "eternal ornament," even if the path to that remembrance is through hardship. This sets a spiritual context for the hardships Amir was about to endure.