For anyone who hears the word but does not carry it out is like a man who looks at his face in a mirror,
23 He is like to a man. Heavenly doctrine is indeed a mirror in which God presents himself to our view; but so that we may be transformed unto his image, as Paul says in 2 Corinthians 3:18. But here he speaks of the external glance of the eye, not of the vivid and efficacious meditation which penetrates into the heart.
In this part of the chapter we are required, I. To restrain the workings of passion. This lesson we should learn under afflictions; and this we shall learn if we are indeed begotten again by the word of truth. For thus the connection stands - An angry and hasty spirit is soon provoked to ill things by afflictions, and errors and ill opinions become prevalent...
Commenting on James 1:19-27
But if any man be a hearer of the word, and not a doer,.... The Arabic version here again reads, "a hearer of the law", and so some copies; not hearing, but practice, is the main thing; not theory, but action: hence, says R.