עִ֣יר גִּ֭בֹּרִים עָלָ֣ה חָכָ֑ם וַ֝יֹּ֗רֶד עֹ֣ז מִבְטֶחָֽה׃
智慧人登上勇士的城，攻下那城所倚靠的堅固堡壘。
Rashi
A wise man ascended to a city of mighty men This refers to Moses, our teacher, who went up among the angels, who are mighty in strength. (and brought down, etc. The Torah.)