1Jn 5:21. Φυλάξατε ἑαυτοὺς, keep yourselves) in my absence, that no one deceive you. The elegance of the active verb with the reciprocal pronoun is more expressive than φυλάξασθε, be on your guard. See on Chrysostom de Sacerd. p. 423.-ἀπὸ τῶν εἰδώλων, from idols) and not only from their worship, but also from all communion and appearance of communion with them: Rev 2:14; Rev 2:20.[27]
[27] Bengel, J. A. (1866). Vol. 5: Gnomon of the New Testament (M. E. Bengel & J. C. F. Steudel, Ed.) (W. Fletcher, Trans.) (111-154). Edinburgh: T&T Clark.