You cannot have a proud and chivalrous spirit if your conduct is mean and paltry; for whatever a man's actions are, such must be his spirit.
It's the way to educate your eyes. Stare. Pry, listen eavesdrop. Die knowing something. You are not here long.
Cinema, which is influenced by every single part of life, is direct and reaches you immediately. And writing - the best writing is complex ideas communicated concisely. And music - if it's a good tune, make sure people can bloody hear it.