Strengthen international cooperation to promote the improvement of technology and management in the coal industry.

我想成为一个能打动人们心灵的歌手。

一个公开的民意测验无法代替思考。

睡得早起得早，使人聪明、富有、身体好。

The photograph is literally an emanation of the referent. From a real body, which was there, proceed radiations which ultimately touch me, who am here.

It is not a language's weakness but its strengths that control the gradient of its change: Alas, a language never escapes its embryonic sac.

质量永远不应妥协，因为它是我们与客户之间信任的基础。

有人告诉我在我书中每个方程式将会降低一半的销售量。结果，我确实放了一个方程式——爱因斯坦著名的等式，E=mc2。我发现这并没有吓跑我一半的潜在读者。