Yusuf AliNay, were ye to know with certainty of mind, (ye would beware!)
Sahih InternationalNo! If you only knew with knowledge of certainty...
ShakirNay! if you had known with a certain knowledge,
PickthallNay, would that ye knew (now) with a sure knowledge!
محمد جالندھریدیکھو اگر تم جانتے (یعنی) علم الیقین (رکھتے تو غفلت نہ کرتے)