We are responsible to ourselves for our own existence; consequently we want to be the true helmsman of this existence and refuse to allow our existence to resemble a mindless act of chance.
You must have some vision for your life. Even if you don't know the plan, you have to have a direction in which you choose to go... You want to be in the driver's seat of your own life because if you are not, life will drive you.
I approach every part I'm asked to do and decide to do from exactly the same angle: who is this person, what does he want, how does he attempt to get it, and what happens to him when he doesn't get it, or if he does?
So I analyzed that and decided I didn't want to be the president during a depression greater than the Great Depression, or the beginning of a depression greater than the Great Depression.