实现明天理想的唯一障碍是今天的疑虑。
说话有分寸则少得罪人；行为有节制则少悔恨；爱慕有节制则要求少；快乐有节制则祸败少；饮食有节制则疾病少。
技术的诀窍在于如此安排世界，以至于我们不必去体验它。
法律的概念是复杂的，不仅涉及规则，还涉及原则、政策和标准。
让自己振作起来的最好方法是试着让别人振作起来。
All behavior is ultimately reducible to physical and chemical processes.
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.
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