I have in my house [something] I wrote 50 years [ago] and have not read it since I [first] wrote it. Certainly, I know which book it is in, [and] which page it is on [and] which line it is on
None of our companions were better at memorising hadeeth than him (Yahyaa ibn Yamaan); He would memorise 500 hadeeth in a single sitting.
I have not heard a man narrate hadeeth except that I know more about it than him; [however] I had forgotten some knowledge if a man was to memorise that he would be an ‘aalim.
It is befitting for a man to encourage his child in [seeking] knowledge, for certainly he is responsible for him