Reference for Isaiah 63:11

וַיִּזְכֹּ֥ר יְמֵֽי־עוֹלָ֖ם מֹשֶׁ֣ה עַמּ֑וֹ אַיֵּ֣ה ׀ הַֽמַּעֲלֵ֣ם מִיָּ֗ם אֵ֚ת רֹעֵ֣י צֹאנ֔וֹ אַיֵּ֛ה הַשָּׂ֥ם בְּקִרְבּ֖וֹ אֶת־ר֥וּחַ קָדְשֽׁוֹ׃

Then His people remembered the days of old, the days of Moses: ‘Where is He that brought them up out of the sea With the shepherds of His flock? Where is He that put His holy spirit In the midst of them?

ספר השרשים