Matthew 16:12

Then they understood that He did not say to beware of the leaven of the (bread) of the Pharisees and Sadducees, but of the teaching of the Pharisees and Sadducees.

Matthew 5:20

For I say unto you, that if your righteousness may not abound more than that of the scribes and Pharisees, you can not enter into the kingdom of the heavens.

Matthew 15:4-9

For God commanded saying, Honor thy father and mother: and, He that speaketh evil of father or mother, let him die with death.

Matthew 23:13-28

But woe unto you, scribes and Pharisees, hypocrites! because you shut up the kingdom of the heavens against the people: for you do not go in, neither do you permit those coming in to enter.

Acts 23:8

For the Sadducees indeed 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 commanded saying, Honor thy father and mother: and, He that speaketh evil of father or mother, let him die with death.
Matthew 23:13
But woe unto you, scribes and Pharisees, hypocrites! because you shut up the kingdom of the heavens against the people: for you do not go in, neither do you permit those coming in to enter.
Acts 23:8
For the Sadducees indeed say that there is no resurrection, neither angel, nor spirit: but the Pharisees confess both.