It kinda made me wonder why I felt so uncomfortable reading it, and I think it's the very deep religious philosophy that shines from it.
Curiosity is fundamentally a desire to discover things by one-self and uncover hidden things. It goes against authoritative advice ("kills the cat") and is self motivated. It is basically the opposite of blind trust, faith. A vice.
Studiousness was the core virtue of monks, and they were the spearhead of shuting down distractions to focus on a single goal.
This is basically the advice we'd give to people to stop looking at the birds, to focus on plowing the field in front of them.