ما المسؤول بأعلم من السائل
Arabic
Etymology
From the Hadith of Gabriel.
Phrase
مَا الْمَسْؤُولُ بِأَعْلَمَ مِنَ السَّائِلِ • (mā l-masʔūlu biʔaʕlama mina s-sāʔili)
- I don't know, your guess is as good as mine (literally, "the asked knows no better than the asker")