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:188Muḥammad b. Ḥumayd > Jarīr > Mughīrah

[Machine] About something he says, "I don't know." If they respond to him, he says, "I swear to you by Allah, if I had knowledge of it."  

الدارمي:١٨٨أَخْبَرَنَا مُحَمَّدُ بْنُ حُمَيْدٍ ثَنَا جَرِيرٌ عَنْ مُغِيرَةَ قَالَ كَانَ عَامِرٌ إِذَا سُئِلَ

عَنْ شَيْءٍ يَقُولُ لَا أَدْرِي فَإِنْ رُدُّوا عَلَيْهِ قَالَ إِنْي حَلَفْتُ لَكَ بِاللَّهِ إِنْ كَانَ لِي بِهِ عِلْمٌ