A sword may last a short time. But the warrior must endure.
That is why he is not fooled about his own capability, and avoids being taken by surprise. He considers each thing with the importance it deserves.
At times, when faced with grave matters, the devil whispers in his ear: “do not worry about that, it’s not serious.”
At others, facing banal things, the demon tells him: “you should devote all your energy to resolve this situation.”
The warrior does not listen to what the devil is saying.
He is master of his sword.
Taken from Paulo Coelho’s blog