NET
8 On the other hand, I am writing a new commandment to you which is true in him and in you, because the darkness is passing away and the true light is already shining.
Darby
8 Again, I write a new commandment to you, which thing is true in him and in you, because the darkness is passing and the true light already shines.
KJV
8 Again, a new commandment I write unto you, which thing is true in him and in you: because the darkness is past, and the true light now shineth.