These things have I written unto you concerning them that seduce you.
These things - (1 John 2:18-25.)
Have I written - resumed from 1 John 2:21; 1 John 2:14.
Seduce you - try to lead you into error.
Related Commentaries of 1 John 2:26
1 John 2:26
26 These things have I written unto you concerning them that seduce you.