Proverbs 8:25 Commentary: Rashi

בְּטֶ֣רֶם הָרִ֣ים הָטְבָּ֑עוּ לִפְנֵ֖י גְבָע֣וֹת חוֹלָֽלְתִּי׃

Before the mountains were settled, Before the hills was I brought forth;