Natural experiments are a powerful tool for understanding causal relationships in the real world.

"Psychology must focus on the utility of mental operations."

The walls of the educational system must come down. Education should not be a privilege, so the children of those who have money can study.

创新是将变化视为机会而非威胁的能力。

历史不是过去。它是现在。我们带着我们的历史。我们就是我们的历史。

I’m not a guy that’s going to let my passion down.

The world is full of obvious things which nobody by any chance ever observes.