גַּם־עַתָּה֙ הִתְיַצְּב֣וּ וּרְא֔וּ אֶת־הַדָּבָ֥ר הַגָּד֖וֹל הַזֶּ֑ה אֲשֶׁ֣ר יְהוָ֔ה עֹשֶׂ֖ה לְעֵינֵיכֶֽם׃
Now therefore stand still and see this great thing, which the LORD will do before your eyes.
Read midrashic interpretation of I Samuel 12:16: and classical rabbinic exegesis.