Hadith #2220 (Jami' al-Tirmidhi)
Book: Chapters On Al-Fitan
Narrator(s): Abu 'Uthman al-Nahdi عبد الرحمن بن مل - أبو عثمان النهدي, Muhammad bin Hmyd bin Hyan محمد بن حميد بن حيان, Salman Farsi, Sulaiman bin Tarkhan al-Taymi سليمان بن طرخان التيمي, Yahya bin al-Darays يحيى بن الضريس

“The best of people are my generation, then those who follow them. Then, after them a people will come who increase in fatness, loving fatness, giving testimony before they are asked for it.”

Source: https://parallelquran.com/hadith/jami-al-tirmidhi-2220/