Arthur and Gawain in “Lady of the Lake”

"I've read about many battles, about the great strategists. But what I don't understand is this: how do I know when it's time to give up? When do I acknowledge the better man's victory?"

"See, the warrior would never do that. He'd fight to the death for something he believed in. Of course, at the lowest moment, you have one opportunity."

"And what's that?"

"When you have nothing to lose,that's the time to risk everything."