Al-Bukhari reported: Ibn Umar, may Allah be pleased with him, said, “The servant will not reach the level of true righteousness until he leaves what wavers in his heart.”
Source: Ṣaḥīḥ al-Bukhārī 8
Grade: Sahih (authentic) according to Al-Bukhari
عن البخاري قَالَ ابْنُ عُمَرَ رضي الله عنه لَا يَبْلُغُ الْعَبْدُ حَقِيقَةَ التَّقْوَى حَتَّى يَدَعَ مَا حَاكَ فِي الصَّدْرِ
8 صحيح البخاري كتاب الإيمان