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Every time we look deeper into the fabric of reality, we find more questions than answers.

時間是一個小偷，偷走瞬間，只留下陰影。

Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.

對人類行為的經(jīng)濟學(xué)方法并非其他方法的替代品，而是一種補充。

過去不是負(fù)擔(dān)，而是我們構(gòu)建未來的基礎(chǔ)。