The major themes of Jesus's teachings include the Kingdom of Heaven, the love ethic and putting faith into action, which are all shared through the many parables found within the Bible. The Bible is considered to contain the "words of God" and to be written through His will.
The Kingdom of Heaven is the belief that for those who believe in Jesus and God, there is an eternal paradise waiting for them. There, they live forever and are happy. The only way to reach the Kingdom of Heaven is through belief.
The love ethic is the teaching of love. Jesus stressed that love should not only be practiced in a person's relationship with fellow Christians and with Jesus Himself, but also that it was of the utmost importance to share love with non-believers. Love must be extended to every single person, including a person's enemies.
Jesus stressed the importance of putting the faith into action by performing good deeds and by living according to the faith. This is an essential component of Christianity. Christians who believe, yet live their lives in a way that is not following the scriptures, are hypocritical and it is said that they will not reap the rewards of their faith.
Jesus used parables throughout the bible as a form of teaching. There were many parables throughout the Bible, and there are more than three dozen in the Synoptic Gospels, depending on the definition of parable.