In the world of trading, emotions are your worst enemy.

煤炭企业要主动适应能源结构调整，加快转型升级。

"The writer's duty is to tell the truth, even when it is uncomfortable."

The only way to understand history is to live it.

Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be. Many things prevent knowledge including the obscurity of the subject and the brevity of human life.

一流的智力的考验是同时持有两种相反的观点，并且仍然保持运作的能力。