Answer:
The necklace. ... The lesson here is if she wasn't unhappy with what she already had, she wouldn't of borrowed, and lost the necklace. Guy De Maupassant tried to convey the theme of “being discontent can bring you problems.” This conflict was represented throughout the story, and theme.
The sets of lines are: "And remember Beauty, Five-Wits, Strength, and Discretion/They all at the last do Everyman forsake" and "For after death amends may no man make,/For then mercy and pity doth him forsake."
The key word in finding this answer is "forsake," which means "abandon." The doctor is listing several abstract ideas (beauty, strength, etc.) that forsake or abandon him "in the end" and "after death." If all these traits are abandoning him, then we can infer that the doctor must go on this last journey alone.
Escape from segregation and seek a better way of life