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心理学关注心理生活的“是什么”和“怎么样”,而非“为什么”。
我们期望晚餐不是出自屠夫、啤酒商或面包师的仁慈,而是出自他们对自身利益的考虑。
Everything is a learning process: any time you fall over, it's just teaching you to stand up the next time.
The essence of a free government consists in an effectual control of rivalries.