Matthew 16:12

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

Matthew 5:20

For I say to you that unless your righteousness shall exceed that of the scribes and Pharisees, you shall in no case enter into the kingdom of Heaven.

Matthew 15:4-9

For God commanded, saying, "Honor your father and mother"; and, "He who speaks evil of father or mother, let him die by 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 go in, nor do you allow 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.

General references

Bible References

But

Matthew 15:4
For God commanded, saying, "Honor your father and mother"; and, "He who speaks evil of father or mother, let him die by 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 go in, nor do you allow 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.

General references

Proverbs 19:27
My son, cease to hear the discipline, only to stray from the words of knowledge.