From Wiktionary, the free dictionary
c. 1150, Al-Ghazali,
The Revival of Religious Sciences :
- وَمَنْ جَهِلَ قَلْبَهُ فَهُوَ بِغَيِرِهِ أَجْهَلُ
- waman jahila qalbahu fahuwa biḡayirihi ʔajhalu
- And whoever ignores his own heart is most ignorant of the rest (of his affairs)
