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:138Yūsuf b. Yaʿqūb al-Ṣaffār > Abū Bakr > Dāwud > Saʾalt al-Shaʿbī Kayf Kuntum Taṣnaʿūn Idhā Suʾiltum

[Machine] I asked the common people, "How do you usually respond when you are asked a question?" They said, "Rely on the expert and stay silent until he returns to the beginning."  

الدارمي:١٣٨حَدَّثَنَا يُوسُفُ بْنُ يَعْقُوبَ الصَّفَّارُ حَدَّثَنَا أَبُو بَكْرٍ عَنْ دَاوُدَ قَالَ

سَأَلْتُ الشَّعْبِيَّ كَيْفَ كُنْتُمْ تَصْنَعُونَ إِذَا سُئِلْتُمْ؟ قَالَ عَلَى الْخَبِيرِ وَقَعْتَ كَانَ إِذَا سُئِلَ الرَّجُلُ قَالَ لِصَاحِبِهِ أَفْتِهِمْ فَلَا يَزَالُ حَتَّى يَرْجِعَ إِلَى الْأَوَّلِ