Dovid Hamelech was virtuous, cleaved to Hashem and denied himself sleep in order to learn Torah. Despite this, he only merited to become the “fourth leg of Hashem’s chariot” through his patience. When Shimi ben Geira cursed him, threw dirt at him and stoned him, Dovid said, “Leave him alone and let him curse, because Hashem told him to curse!” At that point, he reached his high level. (Masok Midvash)
