We shall find many of our lessons very hard, but let us consider that the harder they are the better they will do to us if we will persevere and learn them thoroughly.
我们会发现，许多功课非常难，但是我们得记住，那些功课越难，将来对我们的益处就越大--只要我们能持之以恒，完全弄懂。
Let us consider a person who privately holds opinion "X" but has, as a result of pressure brought to bear on him publicly stated that he believes "not X."
我们假设一个人本身持有的观点为“X”，但由于种种原因，他必须公开地表明自己“不相信X”。
Generalization. Let us leave the Platonic viewpoint and consider a researcher who starts from observations, but still relies on introspection.
推广：让我们先不考虑柏拉图模式，来看一个以观察为研究出发点但仍以依靠内省形式的研究者。
Generalization. Let us leave the Platonic viewpoint and consider a researcher who starts from observations, but still relies on introspection.
推广：让我们先不考虑柏拉图模式，来看一个以观察为研究出发点但仍以依靠内省形式的研究者。
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