Ephesians 5:8

For you were darkness, in times past, but now you are light, in the Lord. So then, walk as sons of the light

Other versions

For ye were sometimes darkness, but now are ye light in the Lord: walk as children of light:

for at one time you were darkness, but now you are light in the Lord. Walk as children of light

For you were once darkness, but now you are light in the Lord. Live as children of light