The Mishnah
דמאי ב׳Demai 2
Perek 2 of 7 in Demai — 5 mishnayot
Mishnah 1א׳
וְאֵלּוּ דְבָרִים מִתְעַשְּׂרִין דְּמַאי בְּכָל מָקוֹם. הַדְּבֵלָה, וְהַתְּמָרִים, וְהֶחָרוּבִים, הָאֹרֶז, וְהַכַּמּוֹן. הָאֹרֶז שֶׁבְּחוּצָה לָאָרֶץ, כָּל הַמִּשְׁתַּמֵּשׁ מִמֶּנּוּ פָּטוּר:
And these are the things to be tithed as Demai [produce from which it is uncertain if tithes were already taken] in every place: the pressed figs, and the dates, and the carobs, the rice, and the cumin. Rice grown outside the land [of Israel], anyone who uses it is exempt.
Mishnah 2ב׳
הַמְקַבֵּל עָלָיו לִהְיוֹת נֶאֱמָן, מְעַשֵּׂר אֶת שֶׁהוּא אוֹכֵל, וְאֶת שֶׁהוּא מוֹכֵר, וְאֶת שֶׁהוּא לוֹקֵחַ, וְאֵינוֹ מִתְאָרֵחַ אֵצֶל עַם הָאָרֶץ. רַבִּי יְהוּדָה אוֹמֵר, אַף הַמִּתְאָרֵחַ אֵצֶל עַם הָאָרֶץ נֶאֱמָן. אָמְרוּ לוֹ, עַל עַצְמוֹ אֵינוֹ נֶאֱמָן, כֵּיצַד יְהֵא נֶאֱמָן עַל שֶׁל אֲחֵרִים:
One who takes it on himself to be trustworthy must tithe that which he eats, and that which he sells, and that which he buys, and he may not stay as a guest of an Am HaAretz [one who is lax in observing tithes and purity laws]. Rabbi Yehudah says, “Even if he is a guest of an Am HaAretz, he is trustworthy.” They said to him, “[If] for his own consumption he is not trustworthy, how can he be trustworthy with that which belongs to another?”
Mishnah, Torat Emet 357 edition, via Sefaria — public domain
English: Open Mishnah, Wikisource, via Sefaria — CC BY-SA