Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.
We don't inherit forests from our ancestors, we borrow them from our children.
你不是因为想说些什么而写作，你是因为有些东西要说而写作。
不了解人的缺点，不了解人的优点，不了解人优点中的缺点，不了解人缺点中的优点，就不可以随便用人，不可以随便教人。