NET

12 so that although they look they may look but not see, and although they hear they may hear but not understand, so they may not repent and be forgiven.”

Darby

12 that be^D6992holding they may behold and not see, and hearing they may hear and not understand, lest it may be, they should be converted and they should be forgiven^D6993.

Darby Bible Notes

be - Or 'perhaps.' see Matt. 13.29; 15.32; 25.9; Acts 5.39; 'perhaps' is, I suspect, the sense. see also Matt. 5.25. forgiven - See Isa. 6.9-10.

KJV

12 “That seeing they may see, and not perceive; and hearing they may hear, and not understand; lest at any time they should be converted, and” [their] “sins should be forgiven them.”