
Actually Welcome to the Concept of the Literature.
Basically donne refers death as slave and not a master.
⭐Death is associated will all the following things that is
chance, desperate men, kings, Sickness, fate.
A simile can be found when using "like" or "as" between two things. Example: I'm as happy as a clown.
Your question would be a metaphor. Both things are being compared to a science expieriment, probably meaning that they need to have an outcome, but it isn't known for sure if it will be a good or bad outcome.
Things like this can be taken many ways, so if you think something else, I'm sure it would work as well.
Answer:
Arguments are claims backed by reasons that are supported by evidence.