||Remain in awe of God, serve Him, cling to Him, and swear by His name.
Et-Adonay Eloheycha tira oto ta'avod uvo tidbak uvishmo tishavea.
||He is your praise and your God, the One who did for you these great and awesome deeds that you saw with your very eyes.
Hu tehilatcha vehu Eloheycha asher-asah itcha et-hagdolot ve'et-hanora'ot ha'eleh asher ra'u eyneycha.
See Deuteronomy 13:5.
The reason you are praised (Ramban), or the object of your praise (Saadia). Or, 'your pride' (Chizzkuni).