question #2 Sahih al-Bukhari 2072, Book 34, Hadith 25 : How does the example of Prophet David illustrate the value of manual labor?

The Prophet (ﷺ) said, “Nobody has ever eaten a better meal than that which one has earned by working
with one’s own hands. The Prophet (ﷺ) of Allah, David used to eat from the earnings of his manual labor.”