In the opening paragraph, the burning book pages are compared to birds trying to fly away.
People with interests outside of technology and entertainment are viewed as strange, and possible threats.
In the book, Bradbury doesn't give a clear explanation of why censorship has become so great in this futuristic society. Fast cars, loud music, and massive advertisements create an over stimulated society without room for literature, self-reflection, or appreciation of nature.
Montag's interest in knowledge and dedication to a new and better society saved him.
Thus, Bradbury seems to suggest that life is dependent on knowledge and awareness.