“人而无信，不知其可也”【英】

a person cannot do without credibility.

译文来源

http://www.china-embassy.org/eng/zgyw/t1257158.htm

例句

1. 巴基斯坦认为“诚信比财富更有用”，中国认为“人而无信，不知其可也”，两国传统文化理念契合相通。——《构建中巴命运共同体 开辟合作共赢新征程——习近平在巴基斯坦议会的演讲》

1. The Pakistanis believe that good faith is more precious than wealth. And we Chinese believe that a person cannot do without credibility.—Quoted from Building a China-Pakistan Community of Shared Destiny to Pursue Closer Win-Win Cooperation