إِنَّ اللَّهَ بِقِسْطِهِ وَعَدْلِهِ جَعَلَ الرَّوْحَ وَالْفَرَجَ فِي الْيَقِينِ وَالرِّضَى وَجَعَلَ الْهَمَّ وَالْحُزْنَ فِي الشَّكُ وَالسَّخْطِ
God has made joy and happiness contingent on conviction and acceptance, and grief and sorrow the result of doubt and rejection.