People who go looking for a fight, against all good sense and without the slighest necessity, usually find one - and should not be shocked, surprised, and oh-poor-widdle-me when they get knocked right between the eyes. You swim with sharks, don't be amazed when they bite your head clean off.
A word to the wise is sufficient. Or damn well ought to be. But as for the unwise, even experience fails to suffice.
Don't say I didn't warn you.
Finally, brothers and sisters, whatever is true, whatever is noble, whatever is right, whatever is pure, whatever is lovely, whatever is admirable—if anything is excellent or praiseworthy—think about such things.