Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.

领导力在于创造一个让人们感到有能力冒险并从失败中学习的环境。

越南人民深爱独立、自由与和平。但在国家独立受到威胁时，越南人民宁愿牺牲一切，也不愿失去国家，沦为奴隶。

你不是通过遵循规则学会走路的。你是通过实践和跌倒学会的。

听我说，朋友，希望是件危险的事。希望能叫人发疯。