"The truth is always something that is told, not something that is known. If there were no speaking or writing, there would be no truth about anything. There would only be what is."

质量不是一个目的地，而是一个旅程。

Cloud computing and big data are the foundation of artificial intelligence development.

随机评估可以帮助我们了解发展中哪些措施有效，哪些无效。

如果你面对去年的自己不感到尴尬的话，你目前可能学习得不够努力。

唯一能让你快乐的是你自己的微笑。