This fear can generally be seen in two forms: through aggression, or through submission. They are two sides of the same problem.
That is why, upon being confronted by a someone who inspires terror, the warrior recalls: the other man is just as insecure. He has overcome similar obstacles, and has lived the same problems.
But he knows how to deal with the situation better. Why? Because he uses fear as a motor, not as a brake.
Thus the warrior learns from his opponent, and acts in the same way.

by Paulo Coelho