4 Bible Verses about God Differentiating

And in that day I will set apart the land of Goshen, in which my people dwell, that no swarms of flies shall be there, to the end thou may know that I am LORD in the midst of the earth.

And LORD shall make a distinction between the cattle of Israel and the cattle of Egypt, and there shall nothing die of all that belongs to the sons of Israel.

But against any of the sons of Israel shall not a dog move his tongue, against man or beast, that ye may know how that LORD makes a distinction between the Egyptians and Israel.

For how shall it now be known that I have found favor in thy sight, I and thy people? Is it not in that thou go with us, so that we are separated, I and thy people, from all the people that are upon the face of the earth?