How have some applied this Scriptural counsel and made needed changes that allowed them to experience lasting peace ​ — with Jehovah, with themselves, and with fellow humans?
وَعِنْدَمَا نُطَبِّقُ تَعَالِيمَ ٱلْكِتَابِ ٱلْمُقَدَّسِ فِي حَيَاتِنَا ،‏ يُصْبِحُ سَلَامُنَا وَافِرًا .‏ —‏ ام ٣ :‏ ١ ،‏ ٢‏ .‏