Acts 7:27-31

But he that did his neighbour wrong thrust him away, saying, Who made thee a ruler and a judge over us?

Wilt thou kill me, as thou diddest the Egyptian yesterday?

Then fled Moses at this saying, and was a stranger in the land of Madian, where he begat two sons.

And when forty years were expired, there appeared to him in the wilderness of mount Sina an angel of the Lord in a flame of fire in a bush.

When Moses saw it, he wondered at the sight: and as he drew near to behold it, the voice of the Lord came unto him,