King James Version (KJV) - Mark 4:12 >

That seeing they may see, and not perceive; and hearing they may hear, and not understand; lest at any time they should be converted, and [their] sins should be forgiven them.

Textus Receptus (TR) - Mark 4:12 >

ἵνα βλέποντες βλέπωσι, καὶ μὴ ἴδωσι· καὶ ἀκούοντες ἀκούωσι, καὶ μὴ συνιῶσι· μήποτε ἐπιστρέψωσι, καὶ ἀφεθῇ αὐτοῖς τὰ ἁμαρτήματα.