《史记·七十列传·仲尼弟子列传》
所谓通达，应当是立身正直而好义，审度别人的言论，观察别人的表情，时常想着谦恭退让，这样，在诸侯的邦国和卿大夫的封地一定能够通达。
夫达者，质直而好义，察言而观色，虑以下人，在国及家必达。
The definition of success should be: Be upright and benevolent, think twice before speaking and speaking, always think about being humble and retiring, and you will succeed in the nations of the feudal lords and the territories of the ministers and high officials.