question #1 Sahih al-Bukhari 4963, Book 65, Hadith 485 : What is the significance of the Quranic verse that mentions the weight of an atom in the context of good and evil deeds?

The Prophet (ﷺ) was asked about donkeys and he replied, “Nothing has been revealed to me regarding
donkeys except this comprehensive Verse which includes everything:
“So whoever does good equal to the weight of an atom (or a smallest ant) shall see it; And whoever,
does evil equal to the weight of an atom or a smallest ant) shall see it.’ (99.7-8)