Practice. Precision. Patience. Stealth. Silence. Intelligence. Faith. Luck.
These are my allies. They are my friends. I am a naval officer of the Kriegsmarine and an honored soldier of the Germany. All foes to her an inferior. Our beloved Führer is a God in the form of a mortal. I shall show no mercy, no sorrow, no feelings for the enemies of the Third Reich. I shall be an eagle of the sea: swift and precise in my attacks while being clever, and altogether deadly. I shall remain loyal to the Reich no matter what. WE SHALL PREVAIL!
That's my gaming philosophy.