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 will by no means enter the kingdom of heaven.

Matthew 15:4-9

For God commanded, 'Honor your father and your mother'; and, 'He who curses father or mother, let him be put to death.'

Matthew 23:13-28

"But woe to you, scribes and Pharisees, hypocrites! For you shut up the kingdom of heaven against men; for you neither enter yourselves, nor do you allow those who would enter to go in.

Acts 23:8

For the Sadducees say that there is no resurrection, nor an angel, nor a spirit, but the Pharisees acknowledge them all.

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, 'Honor your father and your mother'; and, 'He who curses father or mother, let him be put to death.'
Matthew 23:13
"But woe to you, scribes and Pharisees, hypocrites! For you shut up the kingdom of heaven against men; for you neither enter yourselves, nor do you allow those who would enter to go in.
Acts 23:8
For the Sadducees say that there is no resurrection, nor an angel, nor a spirit, but the Pharisees acknowledge them all.