Sayyiduna Abu Hurairah (may Allah be pleased with him) reports that the Messenger of Allah (peace and blessings be upon him) said: "A false oath may sell the goods, but it destroys the blessing of the earnings."
Hadith Referenceمسند الشهاب / 256
Hadith Gradingمحدثین:إسناده صحيح
Hadith Takhrij«إسناده صحيح ، وأخرجه الحميدي : 1030، وأحمد : 2/ 235، وابن حبان : 4906»