- Hang out with smart people, ask questions and take notes.
- Attend great courses paying for them yourself if necessary.
- Visit museums and galleries frequently just doing one gallery per visit. Sit and reflect amongst the exhibits.
- Volunteer to teach topics to small audiences to improve your understanding of a subject.
- Write each day to force the brain to spark differently.
- Go deep, deep, deep into a subject remembering the net can encourage superficiality.
- Never believe your 'smartness' is limited.