Ephesians 2:12

were once upon a time without Christ, aliens from the commonwealth of Israel, strangers to the covenants of the Promise, without hope and without God in the world.

1 John 5:18

We know that whoever is a child of God is not habitually committing sin; but he who is God's child guards himself, and the Evil One never touches him.

Treasury of Scripture Knowledge

Summary

Neither from a stranger's hand shall ye offer the bread of your God of any of these; because their corruption is in them, and blemishes be in them: they shall not be accepted for you.

Bible References

Because

Ephesians 2:12
were once upon a time without Christ, aliens from the commonwealth of Israel, strangers to the covenants of the Promise, without hope and without God in the world.
1 John 5:18
We know that whoever is a child of God is not habitually committing sin; but he who is God's child guards himself, and the Evil One never touches him.