If anyone claims to be in the light but hates his brother, he is still in the darkness.
9 He that saith he is in the light He pursues the same metaphor. He said that love is the only true rule according to which our life is to be formed; he said that this rule or law is presented to us in the Gospel; he said, lastly, that it is there as the meridian light, which ought to be continually looked on.
The precept of love is old, yes, but it admits new enforcements and motives suited to each age. In innocence men would love as one blood; in sin and recovery, as partners in hope; in the covenant people, as heirs of the Messiah; and now in the gospel church, with obligations renewed by Christ Himself.
AI summary
Commenting on 1 John 2:7-11
He that saith he is in the light,.... Is in Christ the light, or has the true knowledge of the light of the Gospel, or is illuminated by the Spirit of God; for persons may profess to be enlightened ones, and not be so: wherefore the apostle does not say, he that is in the light, but he that says he is, and hateth his...