Al-Sha'bi narrates from Hudhayfah bin Asid al-Ghifari (may Allah be pleased with him), who said: We used to offer a single sacrifice, then people thought that it was stinginess holding us back from more, and they pushed us into abandoning the Sunnah after we had known it.
Hadith Referenceالمعجم الكبير للطبراني / باب الحاء / 3044