《吕氏春秋·纪·季秋纪》
士中也有超群出众的千里马。气节高尚、为正义而献身的人就是士中的千里马。
夫士亦有千里，高节死义，此士之千里也。
There are also outstanding three thousand horses among the scholars. A person with integrity and dedication to justice is a thousand-mile horse among the scholars.