The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.
每个个体改善自身状况的自然努力，当在自由和安全的情况下得以发挥时，是如此强大，以至于它不仅能够独自，不受任何协助，推动社会走向富裕和繁荣，而且能够克服往往由愚蠢的人类法律造成的百般妨碍。
每个患者的故事都是医学的一课。
学习理论中的一个关键见解是，假设类的复杂性对于泛化至关重要。
Acting is not about being someone different. It's finding the similarity in what is apparently different, then finding myself in there.
最好的领导者是那些能够赋能他人去领导的人。