[shin_lao]

Knowing that is what will make you successful in life and it obviously cannot be summed up in few words. You get it or you don't. That's the way I see it.

[staunch]

I think Plato's four cardinal virtues play a big role for many people. http://en.wikipedia.org/wiki/Plato%27s_four_cardinal_virtues

[cschep]

and you learn it better each time you make that decision, stick with it, and it's right or wrong. Adjust accordingly next time.