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

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.

体育绝不能被视为奢侈品。

I always think about how to make batteries safer and more efficient.

经济与生态之间的平衡是现代林业的核心。

人生在世，常常遇到不如意的小事，这是好兆头，可以避免重大的祸事发生。假如每件事都称心如意，那么必然会在以后遇到重大的挫折。明白这个道理，就会心平气和，不再怨天尤人。

我在一切事物中听到音乐。

"I don't make films to give answers, but to ask questions."