“I never speak to you except of what I already know and I always know a great deal more than I say”
– Marcel Proust: ‘Swann’s Way’ (Du côte de chez Swann)
– – – – – – – –
I thought this line sounded vaguely familiar. And, indeed, Shakespeare got there first with this good advice:
“Mark it, nuncle
Have more than thou showest
Speak less than thou knowest
Lend less than thou owest”
King Lear, Act I, scene iv