思想需要书来磨砺，正如宝剑需要磨刀石。

Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.

A book must be the axe for the frozen sea within us.

"The boundary between the quantum and classical worlds is not as clear as we once thought."

美是对我们所有人说话的神谕。

可持续性不仅仅是一个选择；它是对后代的责任。