With what personal weakness did David struggle? Personal weaknesses may be likened to loose stones lying on a racetrack.
يَرْتَكِبُ ٱلْبَعْضُ أَخْطَاءً غَيْرَ خَطِيرَةٍ تَكْرَارًا نَتِيجَةَ نَقْصٍ يُحَارِبُونَهُ .‏