The skin was not skin at all, but bone. Ectoskeleton.

You are what you do when it counts.

It was an odd being which rose from Felix and through him. It was, in fact, a remarkable creature. It was a wartime creature and a surviving creature. A killing creature.The Engine, Felix thought. It's not me. It's my Engine. It will work when I cannot. It will examine and determine and choose and, at last, act. It will do all this while I cower inside.

Are you there, Felix? Are you there?

You are What you do When it counts" - The Masao