If I had more of the quote, it would be easier. I get a weak Bad feeling, but while the textual cues suggest it probably comes from either the Talmud or the Koran, and while I think it is, I’m not getting a strong feeling on this quote, so this makes me worry that I could be confused by my guess as to where it comes from. But I’m going to stick my neck out anyway; I feel like it’s Bad.
I think it’s here
I admit to being surprised that this is a Christian writing.