From Sahih Bukhari (Hadith 6429):
Narrated `Abdullah:The Prophet (ﷺ) said, "The best people are those of my generation, and then those who will come after them (the next generation), and then those who will come after them (i.e. the next generation), and then after them, there will come people whose witness will precede their oaths, and whose oaths will precede their witness
Reference: Bukhari 6429