心之官则思
      Explanation: The ancients thought that the heart is the heart organ, so the organ of thinking, feeling and so the heart said to do, now refers to the brain; official function, role. Functional brain is thinking.
      Source: "Mencius" heart of the government is thinking, thinking you have it, do not think you can not have. "
      Examples: Mencius said, ~. "His brain's role in the definition under the right. ★ Mao Zedong," Learning and the current situation "