人而无信，不知其可

Explanation: Letter: Credit; its: it; be: Yes, OK. A person without trust, I really do not know how to do it. A person without trust is not acceptable. 　　Usage: Complex sentence; for clause; a person without trust is not enough 　　Source: Pre-Qin Confucian "Analects": "people without faith, I wonder if the can also." 　　Examples: Faithfully, before you say Oh ,"~。" have the ability to get in, have to go out, do not hurt the body are to worship him as king. (Ming Wu Cheng-en, "Journey to the West" first return)