Umayyah bin Khalid said to Shu'bah (may Allah have mercy on him): "You narrate from Muhammad bin Ubaydullah, yet you abandon the hadith of Abd al-Malik bin Sulayman al-Arzami, even though his hadith is good?" He said: "It is because of its very goodness that I abandon it."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الشفعة / 11584