The most important thing in architecture is what you cannot see.
译文:借鉴前代兴衰,考察当下得失。《通鉴》的写作宗旨,直指现实关怀。
Making something variable is easy. Controlling duration of constancy is the trick.
释义:无论是贤能还是平庸的人,一旦进入朝廷就容易遭到嫉妒;无论是美丽还是平常的女子,一旦进入后宫就容易遭受妒忌。