The indwelling of evangelical truth, which is here meant, signifies its deep radication, and powerful transforming efficacy, in the soul, so as to be productive of holiness, as 1 Thessalonians 17:17; than which nothing can be a greater inducement among Christians of mutual love.
Related Commentaries of 2 John 1:2
2 John 1:2
2 For the truth's sake, which dwelleth in us, and shall be with us for ever.