The poor are not irrational; they are just as rational as anyone else, but they operate under very different constraints.
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。
Every scientific discovery should be measured by its contribution to human welfare.
"The best way to innovate is to start with a growth mindset."
In the attosecond world, time is not a river but a series of snapshots waiting to be captured.