Answer:
Authors revise their work because they need to review a text/writing for spelling, grammar and punctuation errors so they dont confuse the reader.
Here is a website for meaningful poems. I think you can find a good one on here. I couldn't really find a clean meaningful rap song so I tried to find a poem, but I don't know what kind of thing you like so here you go, https://classicalpoets.org/2016/01/07/10-greatest-poems-ever-written/
Answer:
Because if they don't have the qualities the person thinks they need then they won't be able to handle the memories in a logical and mature way. It's like choosing your successor, you wouldn't want them to be unprepared or to give them what you have and watch them ruin everything you've built to get destroyed because you made a mistake on choosing the person. They need to have specific qualities to fulfill the checklist and see if they're capable of enduring the duties that come with everything. They need to follow the same footsteps you did and continue the tradition.
Does this help?