עם נבל ולא חכם
The Torah is criticizing Klal Yisrael for being an am naval, base people, and v’lo chacham, unwise. Ramban quotes Rashi who comments that they forgot the good that Hashem had done for them. They were unwise in realizing the good and bad, the consequences of their ingratitude. He then quotes Targum Onkeles who renders the phrase (critique) in a manner which begs elucidation. Naval – ama d’kablu Oraisa, “A nation that received the Torah.” Ramban explains that Onkeles translates naval as being related to navol tibul, “You will surely become weary” (Shemos 18:18). Thus, the Torah is intimating that Klal…