The peril of the hour moved the British to tremendous exertions, just as always in a moment of extreme danger things can be done which had previously been thought impossible. Mortal danger is an effective antidote for fixed ideas.

Sweat saves blood, blood saves lives, but brains saves both.

Messages can't be intercepted if they aren't sent, can they?

The enemy must be annihilated before he reaches our main battlefield. We must stop him in the water, destroying all his equipment while it is still afloat!

Always in a moment of extreme danger things can be done which had previously been thought impossible.

Don't fight a battle if you don't gain anything by winning.

When there's no clear option, it's better to do nothing.