וַיַּשְׁכִּ֣מוּ בַבֹּ֔קֶר וַיַּֽעֲל֥וּ אֶל־רֹאשׁ־הָהָ֖ר לֵאמֹ֑ר הִנֶּ֗נּוּ וְעָלִ֛ינוּ אֶל־הַמָּק֛וֹם אֲשֶׁר־אָמַ֥ר יְהוָ֖ה כִּ֥י חָטָֽאנוּ׃
And they rose up early in the morning, and got them up to the top of the mountain, saying: ‘Lo, we are here, and will go up unto the place which the LORD hath promised; for we have sinned.’
Read midrashic interpretation of Numbers 14:40: and classical rabbinic exegesis.