Numbers 12:13

Please, God, please heal her. Scripture comes to teach proper behavior — that one who requests something from his fellow must say two or three words of supplication, then, afterward, make his requests.

Saying. What does the Torah teach? He (Moshe) said to Him, ‘Answer me, [as to] whether or not You will cure her’ — until He did answer, “If her father were to spit, etc.” R’ Elazar son of Azariah said, in four places, Moshe asked the Holy One, Blessed is He, that He answer him [as to] whether or not He would grant his requests. Similarly, “Moshe spoke before God, saying, etc.” What does the Torah teach by writing “saying”? ‘Answer me [as to] whether or not You will redeem them’ — until He did answer him, “Now you will see, etc.” Similarly, “Moshe spoke to God, saying, ‘let God, the God of the spirit of all flesh, appoint’.” He answered: “Take for you.” Similarly, “I pleaded with God at that time, saying.” He answered him, “Enough, for you.”

Please heal her. Why did not Moshe pray at length? So that the Israelites should not say, “His sister is suffering, and he stands and prolongs his prayer.” (Another interpretation: So that the Israelites should not say, For his sister he prays at length, but for us he does not pray at length).

And Mosheh did pray, and seek mercy before the Lord, saying: I pray through the compassions of the merciful God, O Eloha, who hast power over the life of all flesh, heal her, I beseech thee.

Moshe cried out. This teaches that he was in pain about his sister.

Please, God. The usage of this Name of Hashem (אל) connotes: You, Who have the Might in Your Hand, please heal her now.

א-ל נא רפא נא לה, he was pleading that Miriam should be healed forthwith so that she would not be subjected to the embarrassment of having to leave the camp.

א-ל נא רפא נא לה, “Heal her, please, O G–d, I beseech You!” the first word נא is to be understood as a plea, whereas the second time Moses used the word נא it means: “now!”