עָלֶ֖יהָ לִבְנֵיכֶ֣ם סַפֵּ֑רוּ וּבְנֵיכֶם֙ לִבְנֵיהֶ֔ם וּבְנֵיהֶ֖ם לְד֥וֹר אַחֵֽר׃
Tell ye your children of it, And let your children tell their children, And their children another generation.
Read halakhic rulings (Jewish law) on Joel 1:3: and classical halakhic sources.