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心灵自有其天地,能把天堂变地狱,把地狱变天堂。
Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.
独裁统治的最佳武器是保密,但民主的最佳武器应该是开放的武器。
Incentives matter because they guide behavior in predictable ways.