And as they spoke unto the people, the priests, and the captain of the temple, and the Sadducees, came upon them,
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Interlinear Gloss
AD 1480
The priests and the magistrate, who seem to have been the teachers and judges of the people, were grieved because a large crowd was assembling to hear the apostles. The Sadducees were grieved because they were preaching the resurrection. Both groups were indeed grieved because they were affirming that Jesus had been glorified by God the Father, and they knew that he was the man whom they had killed.