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The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.

The only valid data for psychology are the reports of trained observers.

In the end, we only regret the chances we didn’t take.

——1912年在舊金山麗蟬戲院的演說

Memory is a tricky thing. It's not always reliable, but it's all we have.

任何地方的任何人，只要有機會，就會綻放出上百種意想不到的才能和能力。