2 Corinthians 6:6

by pureness The preposition in the Greek is not changed here, though the Apostle turns from outward to inward signs of his sincerity, a change marked in our version by the use of -by" for -in." Wiclif and the Rhemish, following the Vulgate, give the more restricted sense chastityhere. But see 1 Timothy 5:22; 1Pe 1:22; 1 John 3:3.

by the Holy Ghost i.e. by Whom we are inspired in our whole mind and conduct. Cf. Romans 8:4-5; Galatians 5:16; Galatians 5:25.

unfeigned Love might easily enough be feigned for selfish purposes. St Paul could appeal to his own career to shew that his love was as real as its expression was ardent. Cf. 2 Corinthians 6:11 and note. Also Romans 12:9, where the Greek is the same as here.