《周易·乾卦》的卦辞共四字:“元、享、利、贞”。这四个字包含着丰富深刻的竞争智慧,揭示了开拓创造者的四大原则,具有很强的实践意义。“元”,旧注“始也”。杭辛斋《易学笔谈》解为“以立乎天地之先者也”。“元”就是基元、根元。宇宙万物之所以能够发生、发展总有其内在的根元,先在的基元。后来的一切不过是逻辑展开。因此可以称之为“先在逻辑”或“逻 “Book of Changes,” the Gua words a total of four words: “Yuan, enjoy, Lee, Zhen.” These four words contain a profound and profound wisdom of competition, revealing the four principles of pioneering and creating, and are of great practical significance. “Yuan”, old note “beginning also.” Hang Xinzhai “easy to learn pen on” solution as “the most important to heaven and earth also.” “Yuan” is the primitive element. The reason why everything in the universe can happen and develop is always the root of its internal root and its foundation. Everything after that is a logical start. So it can be called “first in logic” or “logic.”