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.
[1] Journalism, wikipedia articles, books, adult education classes, when good and proper are all education.