“The cat sat on the mat is not a story. The cat sat on the other cat’s mat is a story.”

“A good writer can watch a cat pad across the street and know what it is to be pounced upon by a Bengal tiger.”

“I have a theory which I suspect is rather immoral,' Smiley went on, more lightly. 'Each of us has only a quantum of compassion. That if we lavish our concern on every stray cat, we never get to the centre of things.”

“Sometimes you do it to save face, thought Jerry, other times you just do it because you haven't done your job unless you've scared yourself to death. Other times again, you go in order to remind yourself that survival is a fluke. But mostly you go because the others go; for machismo; and because in order to belong you must share.”

“By repetition, each lie becomes an irreversible fact upon which other lies are constructed.”

“This is a war," Lemas replied. "It's graphic and unpleasant because it's fought on a tiny scale, at close range; fought with a wastage of innocent life sometimes, I admit. But it's nothing, nothing at all besides other wars - the last or the next.”

“Haydon had found his charm again. He could do that at the drop of a hat. He drew you and he repelled you. I remember that exactly. He danced all ways for you, playing your emotions against each other because he had none of his own.”