Sort:  

It means one should not try to convince a non believer after an attempt.. At least that's how I would do :)

Yes, because you are wiser than me and not so stubborn - I always tend to discuss everything until the end ... sometimes successfully, that means that both profit by learning from each other, but sometimes I also exaggerate and finally annoy the 'counterpart'. :)

Hahahaha.. I am bursting out laughing reading the last sentence!

:-)