Rashi on Deuteronomy 1:6/רש"י על דברים א׳:ו׳

1רב לכם שבת — Explain this according to its plain sense: YE HAVE DWELT LONG ENOUGH [IN THIS MOUNT]. — But there is an Agadic explanation: He has given you much distinction and reward for your having dwelt in this mount: you made the Tabernacle, the candlestick and the other sacred articles, you received the Torah, you appointed a Sanhedrin for yourselves, captains over thousands and captains over hundreds (cf. Sifrei Devarim 5:2).