In the book "Mazel" by Rebecca Goldstein, the character Blau is portrayed as experiencing a mild form of messianism, which symbolizes a common psychological trait among Jewish males. This ailment is likened to the widespread issue of nearsightedness, suggesting that it is a shared characteristic within the community, possibly relating to cultural or religious aspirations. Blau's condition hints at a belief in a significant purpose or destiny, reflecting the broader themes of identity and expectation.

This notion of messianism showcases the struggles and pressures faced by individuals in their quest for meaning and fulfillment. Blau’s experience can be seen as both a burden and a driving force, shaping his interactions and decisions throughout the narrative. Goldstein's exploration of such themes invites readers to reflect on their own beliefs and aspirations, as well as the societal expectations that inform them.