Abu ‘Iyas reported: Abdullah ibn Mas’ud, may Allah be pleased with him, would say in his sermons, “The best provision is mindfulness of Allah (al-taqwa), and the foundation of wisdom is the fear of Allah Almighty.”
Source: Shu’ab al-Imān 712
عَنْ أبي إِيَاسٍ عَنْ عَبْدِ اللَّهِ بْنِ مَسْعُودٍ رضي الله عنه أَنَّهُ كَانَ يَقُولُ فِي خُطْبَتِهِ خَيْرُ الزَّادِ التَّقْوَى وَرَأْسُ الْحِكْمَةِ مَخَافَةُ اللَّهِ عَزَّ وَجَلَّ
712 شعب الإيمان للبيهقي
