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Every mental state exists for a purpose; to understand it, we must ask what function it serves in the broader system of behavior.
You can't manage what you don't measure.
The human understanding, when it has once adopted an opinion, draws all things else to support and agree with it.
当某件事足够重要时,即使胜算不大,你也会去做。
The most important thing in architecture is what cannot be photographed.