Beyond the very basics...
I'd say the most important things I have to teach my children are: (1) you are unique--there's no one else like you--be proud of it, (2) you can do something--even if someone tells you that you aren't capable/equipped for it--if you have the drive and the willingness to try, (3) words won't hurt you, unless you let them, (4) humans are flawed--no one is perfect--and that's absolutely okay.