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Engineering is about solving problems, not just making things look pretty.
人生の価値は、どれだけ愛したかで決まる。
The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.
Psychology must always ask: How does this help the organism live?
You can fool all the people some of the time, some of the people all the time, but you cannot fool all the people all the time.