Learning something means coming into contact with a world of which you know nothing. In order to learn, you must be humble.

Swearing when in heavy traffic.

fanaticism is the only way to put an end to the doubts that constantly trouble the human soul.

The devil is in the detail.

We shall choose our adversaries, not the other way around.

Believing that your parents are always right.

simple things are the most valuable and only wise people appreciate them".