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The first erroneous assumption is that quality means goodness, or luxury, or shininess, or weight. Quality means conformance to requirements.
The brain caps off its second and last growth spurt in your 20s as it rewires itself for adulthood.
【译文】 孔子说:“将知识默记在心,学习时,不感到满足;教人时,不感到疲倦,对我来说没什么问题。”