始终保持你的刀锋利，你的智慧更锋利，你的精神最锋利。

人类的进步史也就是人类的堕落史；而私有制的确立，是造成人类不平等及其后果的关键。

The dead are never far from us. They’re in our hearts and on our minds and in the end all that separates us from them is a single breath, one final puff of air.

解释：治理河道，要用疏导的办法使其通畅；治理百姓，要引导百姓使其敢言。

The mind is the organ of adjustment par excellence.

Every breakthrough in aquaculture starts with a deep respect for nature.

The office of President is one which requires the utmost diligence and attention.

世界不需要更多的塑料——它需要更智能的使用方式。