The difference between the Israelites and the Egyptians became very pronounced at this point, helping the children of Israel to understand that God indeed was working for them. God works even to make sure that His people have the faith they need! God supplies everything except one's decision—and even in the decision a person makes, He keeps poking us in the ribs, shoving us in the back, to move us in the right direction. He does not give up easily once He sets his mind to do something.
To this point, the Israelites had been required to make few decisions concerning their salvation, yet everything was proceeding along quite nicely. In actuality, they were doing little except observing what was happening, almost like the audience of a grand stage play. Despite their lives being dramatically affected, they had done little themselves to effect their freedom. God had done virtually everything, but as the tenth plague approached, the Israelites were finally having to decide whether or not they would be active participants in God's purpose.
John W. Ritenbaugh
Unleavened Bread and Pentecost
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