1 Your worst enemy, he reflected, was your own nervous system.
2 How often, or on what system, the Thought Police plugged in on any individual wire was guesswork.
3 There was a whole tribe of men who made a living simply by selling systems, forecasts, and lucky amulets.
4 It is the achievement of the Party to have produced a system of thought in which both conditions can exist simultaneously.
5 Actually the three philosophies are barely distinguishable, and the social systems which they support are not distinguishable at all.
6 It need hardly be said that the subtlest practitioners of DOUBLETHINK are those who invented DOUBLETHINK and know that it is a vast system of mental cheating.
7 Meanwhile the fact that there IS no danger of conquest makes possible the denial of reality which is the special feature of Ingsoc and its rival systems of thought.
8 But they had been foreshadowed by the various systems, generally called totalitarian, which had appeared earlier in the century, and the main outlines of the world which would emerge from the prevailing chaos had long been obvious.
9 With its grace and carelessness it seemed to annihilate a whole culture, a whole system of thought, as though Big Brother and the Party and the Thought Police could all be swept into nothingness by a single splendid movement of the arm.
10 The plaster flaked constantly from ceilings and walls, the pipes burst in every hard frost, the roof leaked whenever there was snow, the heating system was usually running at half steam when it was not closed down altogether from motives of economy.