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Every material has its own intelligence.

"History is the present projected backwards."

The history of all hitherto existing society is the history of class struggles.

最重要的是對自己誠實，對所做之事誠實。

量子密碼學不依賴于數學問題的難度，而是依賴于物理學的基本定律。

In the quest for understanding the cosmos, every question answered leads to a dozen more.

一本好書是一個永遠不會讓你失望的朋友。