Concepts are no longer the phenomena, the separate aspects and the external relations of things; they grasp the essence, the totality and the internal relations of things.

• 概念这种东西已经不是事物的现象，不是事物的各个片面，不是它们的外部联系，而是抓着了事物的本质，事物的全体，事物的内部联系了。