I have no religion now but was raised in the Christian tradition(Protestant), which means some quotes from the Bible still rattle around in my head. I think the one I used is a good piece of advice regardless of it's source. I agree with you that if you look hard enough in the Bible you will find a quote to support whatever your argument is!
I WISH I HAD NEVER USED THE WORD ASSUMPTION!!!! I was using it in the sense of 'for the sake of argument let's assume such-and-such'/'this is one possibility'. What I have been doing is speculating about the details around the situation ...... looking behind the headline:'Old White Guy Shoots Young Black Boy'. I HAVE NOT BEEN ASSUMING ANYTHING!!