So, [by doing this] you are witnesses [against yourselves] that you approve of the deeds of your forefathers, for they killed the prophets and you build grave monuments to them.
[But by saying this] you are witnesses [against] yourselves, that you are the sons of those who murdered the prophets [i.e., indicating your approval of their actions].
'It is too bad for you hypocritical experts in the Law of Moses and [you] Pharisees! For you are like whitewashed tombs, used for burial [sites], which appear beautiful on the outside, but on the inside are full of the bones and decaying flesh of dead people.
Therefore, the wisdom of God said, [Note: Is this a reference to Jesus? See I Cor. 1:30 and Matt. 23:34-36], ‘I will send prophets and apostles to them [i.e., the Jewish people] and they will kill and persecute some of them,
These people know that God’s decrees require that those who practice such things deserve to die [i.e., either spiritual or temporal punishment], yet they not only do the same things [themselves], but even approve of other people who practice them.