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最好的企业不仅仅是适应变化,而是推动变化。
Your most unhappy customers are your greatest source of learning.
Theorems are the permanent literature of mathematics.
这就是所谓的适应习惯,安于风俗啊。 
The core value of cloud computing is that it can make computing resources as popular as water and electricity.
Geometry is knowledge of the eternally existent.