The world is only sustained by the breath of school children
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Today is 14 days, which is 2 weeks of the Omer.
It is also National Teacher Day. Rambam, the 12th Century philosopher, physician, and legalist, wrote the following about the moral obligation to employ teachers:
מוֹשִׁיבִין מְלַמְּדֵי תִּינוֹקוֹת בְּכָל מְדִינָה וּמְדִינָה וּבְכָל פֶּלֶךְ וּפֶלֶךְ וּבְכָל עִיר וָעִיר. וְכָל עִיר שֶׁאֵין בָּהּ תִּינוֹקוֹת שֶׁל בֵּית רַבָּן מַחְרִימִין אֶת אַנְשֵׁי הָעִיר עַד שֶׁמּוֹשִׁיבִין מְלַמְּדֵי תִּינוֹקוֹת. וְאִם לֹא הוֹשִׁיבוּ מַחְרִימִין אֶת הָעִיר. שֶׁאֵין הָעוֹלָם מִתְקַיֵּם אֶלָּא בְּהֶבֶל פִּיהֶם שֶׁל תִּינוֹקוֹת שֶׁל בֵּית רַבָּן:
Teachers of young children are to be appointed in each province, district and town. If a city has made no provision for the education of the young, its inhabitants are placed under a ban, till such teachers have been engaged. And if they persistently neglect this duty, the city is excommunicated, for the world is only sustained by the breath of school children.
Rambam, Mishneh Torah, Torah Study 2-1