15. no great thing—no difficult matter.
if his ministers also—as well as himself.
righteousness—answering to "light" (2Co 11:14); the manifestation wherewith God reveals Himself in Christ (Mt 6:33; Ro 1:17).
end—The test of things is the end which strips off every specious form into which Satan's agents may now "transform" themselves (compare Php 3:19, 21).
according to their works—not according to their pretensions.