The spirit of a warrior is ...

The spirit of a warrior is not geared to indulging and complaining, nor is it geared to winning or losing. The spirit of a warrior is geared only to struggle, and every struggle is a warrior\'s last battle on earth. Thus the outcome matters very little to him. In his last battle on earth a warrior lets his spirit flow free and clear. And as he wages his battle, knowing that his intent is impeccable, a warrior laughs and laughs.
The spirit of a warrior is not geared to indulging and complaining, nor is it geared to winning or losing. The spirit of a warrior is geared only to struggle, and every struggle is a warrior's last battle on earth. Thus the outcome matters very little to him. In his last battle on earth a warrior lets his spirit flow free and clear. And as he wages his battle, knowing that his intent is impeccable, a warrior laughs and laughs.

Quotes from the same author

The trick is in what one emphasizes. We either make ourselves miserable, or we make ourselves happy. The amount of work is the same.
“We choose whether to be warriors or to be ordinary.”
“A warrior seeks to act rather than talk.”
“A warrior lives by acting, not by thinking about acting, nor by thinking about what he will think he has finished acting.”
“A warrior never worries about his fear.”