1001 rules for my unborn son is a fantastic tumblr blog where you will find hundreds (so far) of words of wisdom about life. For example:
270. Stand up to bullies. You'll only have to do it once.
269. If you've made your point, stop talking.
268. Watch your language at the ballgame.
Sometimes, you find a gem like this one:
Always keep a recent photograph of yourself on file in case of emergencies or unexpected notoriety.
Link - via Nag on the Lake
The only one I truly take exception to is #14: Men with facial hair have something to hide. One of his rules should be to grow a beard. Every man should, at least once.