70 souls

All the soul(s) that came out of the loins of Jacob were 70 soul(s) (Ex. 1:5)
The Children of Israel are referred to in the collective singular, "soul," whereas Esau's descendants are described in the plural, "souls." The sphere of holiness is characterized by awe of G-d, self-nullification and unity. (Think of two royal ministers, who, despite their disagreements, become totally nullified and of one mind in the presence of the king.) The opposite of holiness, however, is characterized by disunity and plurality.


(Siddur, with Chasidic notes)


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And behold, it was a weeping boy... and she said, "This is one of the Hebrews' children" (Ex. 2:6)

How could Pharaoh's daughter have recognized that the child was Jewish, just from his cry? This is because a Jewish cry is unique; even when he weeps, a Jew is filled with hope.


(Rabbi Mordechai Chaim of Slonim)


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Why "one of the Hebrews' children" and not "a Hebrew child"? As Rashi notes, the baby's cry was stronger than that of an infant, "like a young lad's." When Pharaoh's daughter was surprised by its intensity, Miriam explained that it was "one of the Hebrews' children": not an individual voice, but the collective crying of all the Jewish babies who had been sentenced to drown.


(Meir Einei Yesharim)


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And she called his name Moses... because out of the water have I drawn him (Gen. 2:10)

The name Moses ("Moshe" in Hebrew) comes from the verb "to draw out," and is in the present tense, indicating an ongoing action. This alludes to the task of the true Jewish leader, which is to elevate the Jew from the depths of physicality and guide him toward the shores of spiritual safety. Moses, the first Jewish leader, was the prototype for all time; his actions are continued by the "reflection of Moses" that exists in every generation.


(Teivot Shalom)