Abraham said that - not Jesus.
Luke 16:29-31
it was in an account said by Jesus, but actually Abraham said that they wouldn't believe even the one rose from the dead
1Co 9:7
Paul wrote that a feeder of the flock is entitled to partake of the milk of the flock
Paul was Apostle to the Gentiles
This concept that only Israelites are referred to as SHEEP is sheer nonsense
1Co 9:7
Who goeth a warfare at his own charges?
Who planteth a vineyard and eateth not of the fruit thereof?
Or who FEEDETH A FLOCK and eatet h not of the milk of the flock?