Deut 11:2

וִֽידַעְתֶּם֮ הַיּוֹם֒ כִּ֣י לֹ֣א אֶת־בְּנֵיכֶ֗ם אֲשֶׁ֤ר לֹֽא־יָדְעוּ֙ וַאֲשֶׁ֣ר לֹא־רָא֔וּ אֶת־מוּסַ֖ר יְהוָ֣ה אֱלֹהֵיכֶ֑ם אֶת־גָּדְל֕וֹ אֶת־יָדוֹ֙ הַחֲזָקָ֔ה וּזְרֹע֖וֹ הַנְּטוּיָֽה׃

Know this day that it is not your children who have known and seen the discipline of the LORD your God: His greatness, His mighty hand, and His outstretched arm;