A dictum is a saying that describes an aspect of life in an interesting or wise way.
例句
...the dictum that it is preferable to be roughly right than precisely wrong...有句格言说道，大致对总比完全错要好She reminded us of Barnum's dictum: You could sell anything to anybody if you marketed it right.她提醒我们想想巴纳姆的名言：如果营销得力，你可以把任何东西卖给任何人。
N-COUNT
宣言;正式声明
A dictum is a formal statement made by someone who has authority.
例句
...Disraeli's dictum that the first priority of the government must be the health of the people.迪斯雷利的声明——政府必须把民众的健康当作第一要务
英汉词典释义
n.
宣言,声明
Ever since，Webster’s dictum has been regarded as a principle of international law．自此，韦伯斯特的正式声明就被遵为国际法原则。
名言,格言
Yet Kissinger succeeded in defying an old Washington dictum that you can have in the capital visibility or influence,but not both.在华盛顿有一条传统格言：要么抛头露面，要么得势弄权，二者不可兼得。基辛格却公然蔑视这种传统。
英英词典释义
Noun
1. an authoritative declaration
2. an opinion voiced by a judge on a point of law not directly bearing on the case in question and therefore not binding