17, 18. How do we know that the breach between Paul and Mark was resolved, and what can we learn from this?
(‏ اع ١٥ :‏ ٣٩‏ )‏ وَمَا كَتَبَهُ بُولُسُ عَنْهُ بَعْدَ عِدَّةِ سَنَوَاتٍ يُثْبِتُ أَنَّهُ كَانَ رَجُلًا أَمِينًا يُعْتَمَدُ عَلَيْهِ .‏