Early in his second letter, Peter wrote: “By your contributing in response all earnest effort, supply to your faith virtue, to your virtue knowledge, to your knowledge self - control, to your self - control endurance, to your endurance godly devotion, to your godly devotion brotherly affection, to your brotherly affection love.
فَإِذَا كَانَتْ هٰذِهِ فِيكُمْ وَفَاضَتْ ،‏ لَا تَدَعُكُمْ غَيْرَ فَعَّالِينَ وَلَا غَيْرَ مُثْمِرِينَ مِنْ جِهَةِ مَعْرِفَةِ رَبِّنَا يَسُوعَ ٱلْمَسِيحِ ٱلدَّقِيقَةِ » .‏ —‏ ٢ بط ١ :‏ ​ ٥ -‏ ٨‏ .‏