Obsession is normal if it is for success. Too much obsession for success can lead to craziness. Too much obsession for failure can lead to madness.

Confidence is not learned, it is brought up.

The more you know you don't know, the more you know. The more you know, the more you know you don't know. What's the point of knowing? Is it not to know more?

Take it serious and be the boss, as long as you are serious you will have the confidence.

Most of us understand but only a few of us will move ahead from where we stand.

If you can't understand me, either you understand me or I don't understand myself.