It is not in my nature to know physical fear.

So, now, the Americans would know fear as they'd not known it before.

He turned slowly, and just for one moment I knew fear.

That was the only time I had known real fear.

He had never known fear in his life until that moment.

Until they move on from this world, even the dead can know fear.

And in its presence, they would never again know fear.

In all his life he had never known fear such as this.

He felt tears run down his face and knew fear.

These people did not seem to know fear in any form.