the newness of the “old” (love) command

Read: 1 John 2:7-11

A new command I give you: Love one another. As I have loved you, so you must love one another. - John 13:34

1 John 2:7-8 (New International Version)
7Dear friends, I am not writing you a new command but an old one, which you have had since the beginning... 8Yet I am writing you a new command; its truth is seen in him and you, ...

"In Jesus, God is doing a new thing. The newness of the command is not the command itself, but that in Jesus, through His Spirit, God transforms our hearts to be able to obey the command (see John 3:5; Ezek. 36:25-27). Our hearts are new." ~ Today in the Word, Moody Bible Institute