Proper civics and all-rounded technical and humanities education, preferably life long[1]. Without the humanities you will be left without an understanding of social repercussions, technical education helps you (in my experience) stay logical and methodological.
[1] Journalism, wikipedia articles, books, adult education classes, when good and proper are all education.
"...and accordingly all experience hath shewn, that mankind are more disposed to suffer, while evils are sufferable, than to right themselves by abolishing the forms to which they are accustomed."
One wonders the level of suffering people actually endure by having to purchase new deodorant at the duty free.
