Called for Moses and Aaron - That is, he sent the message here mentioned to them; for it does not appear that he had any farther interview with Moses and Aaron, after what is mentioned Exodus 10:28, Exodus 10:29, and Exodus 11:8. See Clarke's notes Exodus 10:28, Exodus 10:29 (note), and Exodus 11:8 (note).

called

Exodus 10:29 And Moses said, You have spoken well, I will see your face again no more.

rise up

Exodus 3:19,20 And I am sure that the king of Egypt will not let you go, no, not by a mighty hand...

Exodus 6:1 Then the LORD said to Moses, Now shall you see what I will do to Pharaoh: for with a strong hand shall he let them go...

Exodus 11:1,8 And the LORD said to Moses, Yet will I bring one plague more on Pharaoh, and on Egypt; afterwards he will let you go hence...

Psalm 105:38 Egypt was glad when they departed: for the fear of them fell on them.

the children

Exodus 10:9 And Moses said, We will go with our young and with our old, with our sons and with our daughters...

The Blood
Now, at the time of which this Book of Exodus speaks, Egypt was exposed to a terrible peril. Jehovah himself was about to march through the streets of all the cities of Egypt. It was not merely a destroying angel, but Jehovah himself; for thus it is written, "I will pass through the land of Egypt this night, and will smite all the first-born in the land of Egypt, both man and beast." No one less than I AM, the great God, had vowed to "cut Rahab" with the sword of vengeance. Tremble, ye inhabitants …
Charles Haddon Spurgeon—Spurgeon's Sermons Volume 5: 1859

Appendix xii. The Baptism of Proselytes
ONLY those who have made study of it can have any idea how large, and sometimes bewildering, is the literature on the subject of Jewish Proselytes and their Baptism. Our present remarks will be confined to the Baptism of Proselytes. 1. Generally, as regards proselytes (Gerim) we have to distinguish between the Ger ha-Shaar (proselyte of the gate) and Ger Toshabh (sojourner,' settled among Israel), and again the Ger hatstsedeq (proselyte of righteousness) and Ger habberith (proselyte of the covenant). …
Alfred Edersheim—The Life and Times of Jesus the Messiah

Hope for the Heathen
Throughout his ministry Isaiah bore a plain testimony concerning God's purpose for the heathen. Other prophets had made mention of the divine plan, but their language was not always understood. To Isaiah it was given to make very plain to Judah the truth that among the Israel of God were to be numbered many who were not descendants of Abraham after the flesh. This teaching was not in harmony with the theology of his age, yet he fearlessly proclaimed the messages given him of God and brought hope …
Ellen Gould White—The Story of Prophets and Kings