下学上达
      Explanation: Refers to the study human common sense, and understand the laws of nature.
      Source: "The Analects of Confucius constitutional question," Master said not blaming Heaven, do not blame the people, the next school on up. "
      Examples: There are leisure Zheyue cover smell before the first service philosophy, service in the ~, country manager junior people, goes to also. ★ "Later Han Zhang Heng Chuan"