Matthew 16:12

Then they understood that he did not tell them to beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.

Matthew 5:20

For I tell you, that unless your righteousness exceeds that of the scribes and Pharisees, you shall by no means enter into the kingdom of heaven.

Matthew 15:4-9

For God said, Honor your father and mother; and he that reviles father or mother, let him surely die.

Matthew 23:13-28

But woe to you scribes and Pharisees, hypocrites! For you shut up the kingdom of heaven before men; for you enter not into it, neither do you suffer those entering to go in.

Acts 23:8

For the Sadducees say that there is no resurrection, neither angel, nor spirit, but the Pharisees confess both.

Treasury of Scripture Knowledge

Summary

Then understood they how that he bade them not beware of the leaven of bread, but of the doctrine of the Pharisees and of the Sadducees.

Bible References

But

Matthew 15:4
For God said, Honor your father and mother; and he that reviles father or mother, let him surely die.
Matthew 23:13
But woe to you scribes and Pharisees, hypocrites! For you shut up the kingdom of heaven before men; for you enter not into it, neither do you suffer those entering to go in.
Acts 23:8
For the Sadducees say that there is no resurrection, neither angel, nor spirit, but the Pharisees confess both.