よく知られた話
よく知っていた
よく知られたことわざ
Those will appreciate who can.
something that is familiar to someone
That goes without saying.
よく知ってるね
無知なこと
かは知らねども
を熟知している.
Rather than that I knew, perhaps I should say...
the condition of being an intellectual
I know him
I'm glad you understood.