Quote 10
The Party told you to reject the evidence of your eyes and ears. It was their final, most essential command. His heart sank as he thought of the enormous power arrayed against him, the ease with which any Party intellectual would overthrow him in debate, the subtle arguments which he would not be able to understand, much less answer. And yet he was in the right! They were wrong and he was right. The obvious, the silly, and the true had got to be defended. Truisms are true, hold on to that! The solid world exists, its laws do not change. Stones are hard, water is wet, objects unsupported fall towards the earth's centre. With the feeling that he was speaking to O'Brien, and also that he was setting forth an important axiom […] (1.7.29-30)
Winston believes fiercely in the correctness of his position on there being an external, mind-independent reality; however, he cannot help but wonder whether the Party is right in asserting that the contrary is true.
Quote 11
"Who controls the past controls the future: who controls the present controls the past," repeated Winston obediently.
"Who controls the present controls the past," said O'Brien, nodding his head with slow approval. "Is it your opinion, Winston, that the past has real existence?" (3.2.39-40)
To O’Brien’s dismay, Winston continues to deny that the mutability of the past leads to control of the present. However, the prolonged torture has been gnawing away at Winston’s belief in an independent, external reality.
Quote 12
"Do it to Julia! Do it to Julia! Not me! Julia! I don't care what you do to her. Tear her face off, strip her to the bones. Not me! Julia! Not me!" (3.5.24)
Faced with his biggest fear, Winston finally betrays his private loyalty to Julia.