It may be necessary to reason with your brother more than once in order to gain him (See paragraph 15)
قَدْ يَلْزَمُ أَنْ تَتَحَدَّثَ إِلَى أَخِيكَ أَكْثَرَ مِنْ مَرَّةٍ كَيْ تَرْبَحَهُ (‏ اُنْظُرِ ٱلْفِقْرَةَ ١٥ .‏ )‏