When he turned his attention to the beauty and importance of his message, his joy was rekindled. ​ — Jer. 20: 8, 9. Why is feeding on deeper spiritual truths important in our maintaining joy?
فَصَارَتْ لِي كَلِمَتُكَ بَهْجَةً وَفَرَحًا لِقَلْبِي ؛‏ لِأَنَّ ٱسْمَكَ دُعِيَ عَلَيَّ يَا يَهْوَهُ » .‏