路遥知马力，日久见人心【英】

Just as distance tests a horse's strength; time will reveal a person's sincerity

译文来源

http://www.fmprc.gov.cn/mfa_eng/wjdt_665385/zyjh_665391/t1051157.shtml

例句

1. 中国有句谚语，叫做“路遥知马力，日久见人心”。中拉关系的发展历程已经并将继续证明，双方关系发展是开放的发展、包容的发展、合作的发展、共赢的发展。——《习近平在墨西哥参议院的演讲》

1. As a Chinese proverb goes, "Just as distance tests a horse's strength, time will reveal a person's sincerity." The development of the relations between China and Latin America and the Caribbean has proven and will continue to prove that ours is an open and inclusive relationship and a relationship of cooperation for win-win results.—Quoted from President Xi Jinping’s Speech at the Senate of Mexico