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The property which every man has in his own labor, as it is the original foundation of all other property, so it is the most sacred and inviolable.
The only thing we can know is that we know nothing and that is the highest flight of human wisdom.
潜意识是未曾付诸文字的人类洪荒时代史。
The task of the teacher is to lead the student from the known to the unknown.