Rashi on Numbers 22:17/רש"י על במדבר כ״ב:י״ז

1כי כבד אכבדך מאד FOR I WILL HONOR THEE EXCEEDINGLY — Exceedingly: more than you have ever received as a fee in the past (cf. Rashi Numbers 21:27) will I now give you (Midrash Tanchuma, Balak 6).