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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī

ذِكْرُ الْمُدَّةِ الَّتِي خَدَمَ فِيهَا أَنَسٌ رَسُولَ اللَّهِ ﷺ

ibnhibban:7179 – Abū Yaʿlá from Kitābih > Abū Bakr b. Abū Shaybah > Wakīʿ > ʿAzrah b. Thābit > Thumāmah > Anas

[Machine] "I served the Prophet ﷺ for ten years, and he never sent me on a task except that he would say, 'If it happens, then it would have been destined to happen.'"  

ابن حبّان:٧١٧٩ – أَخْبَرَنَا أَبُو يَعْلَى مِنْ كِتَابِهِ حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا وَكِيعٌ عَنْ عَزْرَةَ بْنِ ثَابِتٍ عَنْ ثُمَامَةَ عَنْ أَنَسٍ قَالَ

«خَدَمْتُ النَّبِيَّ ﷺ عَشْرَ سِنِينَ فَمَا بَعَثَنِي فِي حَاجَةٍ لَمْ تَتَهَيَّأْ إِلَّا قَالَ » لَوْ قُضِيَ لَكَانَ أَوْ لَوْ قُدِّرَ لَكَانَ «