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The concept of topological protection in electronic systems is a profound insight that bridges abstract mathematics and practical physics.

When we speak of 'meaning' a word， we are in the first instance speaking of a certain kind of act.

Difficult circumstances serve as a textbook of life for people.

最好的領(lǐng)導者是那些先傾聽、學習，然后再領(lǐng)導的人。

The best way to predict the future is to create it.

每個人都有屬于自己的秘密。