In Matt. 6:22, where you would expect to find the idiom, “good eye,” the adjective used in our saying is not καλός (kalos, “good,” “pleasant”) but ἁπλοῦς (haplous, “single,” “simple”).
If Your Eye Be Single
In Matt. 6:22, where you would expect to find the idiom, “good eye,” the adjective used in our saying is not καλός (kalos, “good,” “pleasant”) but ἁπλοῦς (haplous, “single,” “simple”).

