It struck him that in moments ...

It struck him that in moments of crisis one is never fighting against an external enemy, but always against one’s own body... On the battlefield, in the torture chamber, on a sinking ship, the issues that you are fighting for are always forgotten, because the body swells up until it fills the universe, and even when you are not paralysed by fright or screaming with pain, life is a moment-to-moment struggle against hunger or cold or sleeplessness, against a sour stomach or an aching tooth.
It struck him that in moments of crisis one is never fighting against an external enemy, but always against one’s own body... On the battlefield, in the torture chamber, on a sinking ship, the issues that you are fighting for are always forgotten, because the body swells up until it fills the universe, and even when you are not paralysed by fright or screaming with pain, life is a moment-to-moment struggle against hunger or cold or sleeplessness, against a sour stomach or an aching tooth.

Quotes from the same author

Serious sport has nothing to do with fair play. It is bound up with hatred, jealousy, boastfulness, disregard of all rules and sadistic pleasure in witnessing violence. In other words, it is war minus the shooting.
Happiness can exist only in acceptance.
Myths which are believed in tend to become true.
The ideal set up by the Party was something huge, terrible, and glittering-a world of steel and concrete, of monstrous machines and terrifying weapons-a nation of warriors and fanatics, marching forward in perfect unity, all thinking the same thoughts and shouting the same slogans, perpetually working, fighting, triumphing, persecuting-three hundred million people all with the same face.
Recently I was reading somewhere or other an Italian curio-dealer who attempted to sell a 17th century crucifix to J.P. Morgan. Inside it was concealed a stiletto. What a perfect symbol of the Christian religion.