Some Bible Study Ideas:
Kinda vegged on this one. Had a bunch of references and deleted them. Maybe that's OK, 'cause this will be more meaningful if you read through the gospels and Acts yourself and find where the Pharisees are. Searching electronic Bibles works good too.
I John - "know"
"Know" is a key word in 1 John (others include abide, love and commandments). Find the places where John says what you can know and how you can know it. There's lots!