Huzaifa bin Yaman reported,

The Prophet ﷺ once delivered a sermon to us in which he left out nothing that would happen up until the Hour, mentioning every matter. Those who retained it knew it, and those who forgot it remained ignorant of it. Indeed, I would sometimes see something I had forgotten, then recognize it the way a man recognizes someone who had been absent from him when he sees him again.

حدثنا موسى بن مسعود حدثنا سفيان عن الأعمش عن أبي وائل

عن حذيفة رضي الله عنه قال

لقد خطبنا النبي ﷺ خطبة ما ترك فيها شيئا إلى قيام الساعة إلا ذكره علمه من علمه وجهله من جهله إن كنت لأرى الشيء قد نسيت فأعرف ما يعرف الرجل إذا غاب عنه فرآه فعرفه