建筑不应该大声喧哗；它应该对使用它的人轻声细语。

Innovation is not an option; it's a necessity for the survival of the coal industry.

The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

一句话，先是太胆小，明知错的事却不敢不做；后来也还是太胆小，明知对的事却不敢去做。

数学中最重要的是要有良好的直觉。