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.
darimi:105ʿAbdullāh b. Saʿīd > Ḥafṣ > Ashʿath > Ibn Sīrīn

[Machine] "He would not express his opinion except something he heard."  

الدارمي:١٠٥أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ سَعِيدٍ حَدَّثَنَا حَفْصٌ عَنْ أَشْعَثَ عَنِ ابْنِ سِيرِينَ

أَنَّهُ «كَانَ لَا يَقُولُ بِرَأْيِهِ إِلَّا شَيْئًا سَمِعَهُ»