Sayyiduna Anas (may Allah be pleased with him) reports this saying of the Prophet (peace and blessings be upon him): "The best of people is my generation, then those after them, then those after them."
Imam al-Bazzar recorded it. Its chain contains a narrator, Yusuf bin Atiyyah, and he is matruk (abandoned).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب المناقب / 16408