Matthew 23:30

"'If we had lived in the days of our fathers, we would not have been their comrades in the murder of the prophets.'

Matthew 21:35-36

And the vine-dressers seized his slaves, flogged one, killed another, and stoned a third.

Matthew 23:34-35

"For this cause, behold! I am sending you prophets and wise men and scribes. Some of them you will kill and crucify; some of them you will scourge in your synagogues, and pursue from city to city;

Treasury of Scripture Knowledge

Summary

And say, If we had been in the days of our fathers, we would not have been partakers with them in the blood of the prophets.

Bible References

The blood

Matthew 23:34
"For this cause, behold! I am sending you prophets and wise men and scribes. Some of them you will kill and crucify; some of them you will scourge in your synagogues, and pursue from city to city;
Matthew 21:35
And the vine-dressers seized his slaves, flogged one, killed another, and stoned a third.