NET
5 But now I ask you, lady (not as if I were writing a new commandment to you, but the one we have had from the beginning), that we love one another.
Darby
5 And now I beseech thee, lady, not as writing to thee a new commandment, but that which we have had from [the] beginning, that we should love one another.
KJV
5 And now I beseech thee, lady, not as though I wrote a new commandment unto thee, but that which we had from the beginning, that we love one another.