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The greatest threat to democracy is not from external enemies but from internal decay and the loss of civic virtue.

Force and fraud are in war the two cardinal virtues.

The most important thing is the space, the light and the structure. That's what makes the architecture.

Moonlight is sculpture.

成功不是終點(diǎn)，失敗也不是致命的：重要的是繼續(xù)前進(jìn)的勇氣。

數(shù)學(xué)的樂(lè)趣在于旅程，而不僅僅是目的地。