Since we can't know what knowledge will be most needed in the future it is senseless to try to teach it in advance. Instead we should try to turn out people who love learning so much and learn so well that they will be able to learn whatever needs to be learned.
There are so many little girls who follow me and look up to me. I'm their role model so I have to make sure I'm always being professional and not putting any swear words out there - just really putting positive things out there on the Internet.