History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.

Words can be used not just to describe reality， but to create new realities.

云计算行业最危险的事情就是停止学习。

 如果一个人从确定性开始，最终将陷入怀疑；但如果他愿意从怀疑开始，最终将得到确定性。