וְזֶ֣ה ׀ פַּרְשֶׁ֣גֶן הַֽנִּשְׁתְּוָ֗ן אֲשֶׁ֤ר נָתַן֙ הַמֶּ֣לֶךְ אַרְתַּחְשַׁ֔סְתְּא לְעֶזְרָ֥א הַכֹּהֵ֖ן הַסֹּפֵ֑ר סֹפֵ֞ר דִּבְרֵ֧י מִצְוֺת־יְהוָ֛ה וְחֻקָּ֖יו עַל־יִשְׂרָאֵֽל׃ (פ)
Now this is the copy of the letter that the king Artaxerxes gave unto Ezra the priest, the scribe, even the scribe of the words of the commandments of the LORD, and of His statutes to Israel:
Jerusalem Talmud Shekalim
Rebbi Aḥa said, for Ezra the priest, the counter20Ezra7:11.. But just as he was counting in the Torah so he was counting in the words of the Sages21The principles of mesorah, to fix the text of Scriptures by noting the number of occurrences of certain forms, is attributed to Ezra in Megillah4:1 (47d l. 49), Babli Megillah3a. Similarly, the fixation of mishnaiot by numbers is attributed to him..