אִי סַיָּפָא לָא סָפְרָא, אִי סָפְרָא לָא סַיָּפָא / אוֹ סָפְרָא אוֹ סַיָּפָא (אִי סַיָּיפָא לָא סָפְרָא)

ביטוי (אנגלית)

If he is a writer (scholar), he is no warrior; if a warrior, no writer (scholar)

הגדרה (אנגלית)

If you wield a sword, you are not a man of books; if you are a man of books, you are not a man of the sword. Figuratively: Intellectuals are generally not warriors who bear arms themselves.

("They said to him: Why did you study, and why did you steal? He replied: If one is a warrior, he is not a scholar; and if a scholar, not a warrior" – Avodah Zarah 17b)