One quality is being true to our word: “He does not go back on his promise, even when it is bad for him. ”
وَإِحْدَاهَا أَنَّهُ « يَحْلِفُ لِضَرَرِهِ وَلَا يُغَيِّرُ » ،‏ أَيْ أَنَّهُ يَلْتَزِمُ بِكَلِمَتِهِ .‏