By love, and the observance of His commandments, that will be perfected in us which He has begun, viz. that we should be in Him, and He in us. And that this blessedness may be understood to be promised to all, not to the Apostles only, He adds, He that hath My commandments and keepeth them, he it is that loveth Me.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).