To know oneself, one should assert oneself.
The most effective way to do it, is to do it.
Do not weep do not wax indignant. Understand.
Either you run the day or the day runs you.
Be gentle to all and stern with yourself.
Expect problems and eat them for breakfast.
Things do not happen. Things are made to happen.
Who seeks shall find.
Without hard work, nothing grows but weeds.
If you've got a talent, protect it.
One of the beauties of 'The Girl with the Dragon Tattoo' is the very delicate and strange relationship between the two main characters.