You can get lost in too much gray area.<quoted text>
Uh-huh. I read this as, "There's such a thing as having TOO open a mind." But... yeah... sure... limit open-mindedness... don't want to get too wide-angle on these things... You take Gallileo... center of the universe and all that... the church... the Inquisition. Easy to see how a big mind can get in the way.
It's more acclimating when distinct lines are drawn somewhere.
If you don't stand for something, you'll fall for anything, etc., etc., etc.