The Prophet ﷺ said, "I and the Hour have been sent like these two," meaning his two fingers.
عن النبي ﷺ قال: بعثت أنا والساعة كهاتين يعني إصبعين.
Bukhari related it in the chapter on Riqaq (6505), from Yahya bin Yusuf, who reported, "Abu Bakr informed us, from Abu Husayn, from Abu Salih, from Abu Hurairah," and he mentioned it.