Matthew 16:12

Then they saw that it was not the leaven of bread which he had in mind, but the teaching of the Pharisees and Sadducees.

Matthew 5:20

For I say to you, If your righteousness is not greater than the righteousness of the scribes and Pharisees, you will never go into the kingdom of heaven.

Matthew 15:4-9

For God said, Give honour to your father and mother: and, He who says evil of father or mother will be put to death.

Matthew 23:13-28

But a curse is on you, scribes and Pharisees, false ones! because you are shutting the kingdom of heaven against men: for you do not go in yourselves, and those who are going in, you keep back.

Acts 23:8

For the Sadducees say that there is no coming back from the dead, and no angels or spirits: but the Pharisees have belief in all these.

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 said, Give honour to your father and mother: and, He who says evil of father or mother will be put to death.
Matthew 23:13
But a curse is on you, scribes and Pharisees, false ones! because you are shutting the kingdom of heaven against men: for you do not go in yourselves, and those who are going in, you keep back.
Acts 23:8
For the Sadducees say that there is no coming back from the dead, and no angels or spirits: but the Pharisees have belief in all these.

General references

Proverbs 19:27
A son who no longer gives attention to teaching is turned away from the words of knowledge.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain