创新是任何成功企业的命脉。没有创新，公司就会停滞不前并消亡。

Mathematics is the key and door to the sciences.

When everything is easy one quickly gets stupid.

【释义】：求学就像种树一样，春天赏玩它的花朵，秋天才能收获果实。  

The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.