If people learn that you have deceived them even once, you will lose their trust, and that is not easily regained.
فإذا علِم الآخرون انك خدعتهم ،‏ حتى ولو مرة واحدة ،‏ يخسرون ثقتهم بك ويكون من الصعب استردادها .‏