The function of thought is to guide action.
The most ordinary materials can become extraordinary through attention.
The beauty of virology is that viruses teach us the rules of life by breaking them.
穷人并非不理性；他们和任何人一样理性，但他们在非常不同的约束下行动。
Never give up. Today is hard, tomorrow will be worse, but the day after tomorrow will be sunshine.
我不追求目标、体系或倾向；我没有计划、风格或方向。
最好的领导者是那些先倾听、学习，然后再领导的人。