What is the theme in Fahrenheit 451 by Ray Bradbury?

There are many important themes that you might consider in this book. One theme is "Ignorance and Knowledge". This society works on being superficial and empty. The state maintains power through ignorance. Books, especially ancient books of wisdom, are a threat to the state and the system. Knowledge and wisdom found in books are the elixir for ignorance and hence a danger to the state's power. .