truism

/ˈtruːɪzəm/ 8GREsat
A truism is a statement that is generally accepted as obviously true and is repeated so often that it has become boring. 陈词滥调

noun [抽象名词]自明之理;老生常谈;老套;众所周知;真实性

Oh who could deny that? That needs to be a truism.
谁能否认这点呢,那需要是真理。

tru ( = truth, 真理) + ism → 真理
单词造句:
网友用“Truism”造句精选
...the truism that nothing succeeds like success. ..."一事成功百事顺"的陈词滥调。
Brooks's Law has been widely regarded as a truism. 布鲁克斯定律早已被广泛认可。
It is a truism that both brevity and readability are good. 众所周知,简洁和可读性都好。