言
必
信
，
行
必
果
yán bì xìn，xíng bì guǒ
基本释义
信:守信用；果:果断，坚决。说了就一定守信用，做事一定办到。
出处
《论语·子路》:“言必信，行必果，硁硁然小人哉。”
英文翻译
one must be a man of his word and resolute in his work (proverb)