Generation after Generation and Its Leaders
In every generation there are its leaders, with "parnas" meaning a warden, treasurer, or leader, indicating that the Holy One Blessed be He teaches generation after generation and its teachers to transmit the Torah and their traditions. In every generation there are leaders and providers who guide the community.
It teaches that the Holy One Blessed be He showed to the first man generation after generation and its teachers, generation after generation and its leaders... In a certain generation, a certain one is destined to be king - Avot deRabbi Natan 1, no.
Translation
Expression (Hebrew)
דּוֹר דּוֹר וּפַרְנָסָיו
Definition (Hebrew)
בְּכָל דּוֹר וְדוֹר יֵשׁ אֶת הַמַּנְהִיגִים שֶׁלּוֹ (פַּרְנָס מַשְׁמָע גַּבַּאי אוֹ מַנְהִיג).
("מְלַמֵּד שֶׁהֶרְאָהוּ הקב"ה לְאָדָם הָרִאשׁוֹן דּוֹר דּוֹר וְדוֹרְשָׁיו, דּוֹר דּוֹר וּפַרְנָסָיו...בְּדוֹר פְּלוֹנִי עָתִיד לִהְיוֹת מֶלֶךְ פְּלוֹנִי"- אָבוֹת דְּרַבִּי נָתָן א לֹא)