NET
17 When he learned of this, Jesus said to them, “Why are you arguing about having no bread? Do you still not see or understand? Have your hearts been hardened?
Darby
17 And Jesus knowing [it], says to them, Why reason ye because ye have no bread? Do ye not yet perceive nor understand? Have ye your heart [yet] hardened?
KJV
17 And when Jesus knew [it], he saith unto them, “Why reason ye, because ye have no bread? perceive ye not yet, neither understand? have ye your heart yet hardened?”