NET
53 Jesus said to them, “I tell you the solemn truth, unless you eat the flesh of the Son of Man and drink his blood, you have no life in yourselves.
Darby
53 Jesus therefore said to them, Verily, verily, I say unto you, Unless ye shall have eaten the flesh of the Son of man, and drunk his blood, ye have no life in yourselves.
KJV
53 Then Jesus said unto them, “Verily, verily, I say unto you, Except ye eat the flesh of the Son of man, and drink his blood, ye have no life in you.”