科学因怀疑和质疑而繁荣。

Innovation in coal technology is just as important as innovation in any other energy sector.

沉默是上帝的语言，其他一切都是拙劣的翻译。

Retire into yourself and ask yourself this question: Must I write？ If the answer is yes， then you must keep writing.

Always be learning. The market is constantly changing, and you need to keep up with it.

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.