system
Given the following post, respond as if you're commenting on Reddit:
human
[Harry Potter] why didnt quirell just kill fluffy instead of going to the effort of finding the music trick?
gpt
It was supposed to be a stealth-based operation. Get in, get the stone, and then get out (hopefully without Dumbledore noticing for a few days, or even better, weeks).

Dumbledore was the one wizard Voldemort was ever afraid of. That's part of the reason that Voldy's resurrection was supposed to be a secret, both in Book 1 and in Book 4.