大胆梦想，从小事做起，立即行动。

In times of change, the learners will inherit the earth while the knowers will find themselves beautifully equipped to deal with a world that no longer exists.

"Randomized experiments are the gold standard for causal inference, but they are not always feasible."

The act of reading is an act of resistance against forgetting.

当下总是不稳定的地方，而过去是我们自以为知道身在何处的地方。