1 Samuel 3:4

Treasury of Scripture Knowledge

That the LORD called Samuel: and he answered, Here am I.

And it came to pass after these things that God proved Abraham and said unto him, Abraham; and he said, Behold, here I am.

And when the LORD saw that he turned aside to see, God called unto him out of the midst of the bush and said, Moses, Moses. And he said, Here am I.

Moses and Aaron are among his priests and Samuel among those that call upon his name; they called upon the LORD, and he answered them.

and falling to the earth, he heard a voice saying unto him, Saul, Saul, why dost thou persecute me?

And there is dispersal of operations, but it is the same God who works all in each one.

But when it pleased God, who separated me from my mother's womb and called me by his grace,