Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
ahmad-zuhd:1701ʿAbdullāh > ʿUthmān b. Abū Shaybah

[Machine] "I have never seen anyone who was more fearful of Allah than Umar bin Abdul Aziz, may Allah have mercy on him."  

الزهد لأحمد:١٧٠١حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا حُسَيْنٌ الْجُعْفِيُّ عَنْ عُمَرَ بْنِ ذَرٍّ قَالَ

«مَا رَأَيْتُ أَحَدًا كَانَ أَخْوَفَ لِلَّهِ ﷻ مِنْ عُمَرَ بْنِ عَبْدِ الْعَزِيزِ رَحِمَهُ اللَّهُ»