Where is "Become, then, followers of God, as children beloved," found in the Bible?

This verse is found in Ephesians, chapter 5, verse 1 of the Young's Literal Translation (YLT) Bible translation.

Ephesians 5:1 (YLT) - Bible Verse

Become, then, followers of God, as children beloved,

And Moses said, I will turn aside now, and see this great sight, why the bush is not burnt.