You're never beaten until you admit it
The courageous man is the man who forces himself, in spite of his fear, to carry on.
I am the best damn ass-kicker in the whole U.S. Army!
I have the utmost confidence that through your efforts we will eventually beat the hell out of those bastards - You name them; I'll shoot them!
Take calculated risks. That is quite different from being rash.
It is the cold glitter of the attacker's eye not the point of the questing bayonet that breaks the line.