“medicine I know. you tell me what a pulsar is and I'll tell you whatever you need to know about the organ of Zucker-kandl."Sulu made a polite scoffing noise and explained anyway,...”
“Do you know what love is? I'll tell you: it is whatever you can still betray.”
“I'll tell you a little secret about the Blues: it's not enough to know which notes to play, you have to know why they need to be played.”
“Do you know what I found?”Of course I do, and you know that I do. You just want to ask for dramatic effect and then you’re going to tell me anyway.”
“Tell me what you read and I'll tell you who you are" is true enough, but I'd know you better if you told me what you re-read. François Mauriac”
“What you don’t know, you can’t tell. Or made to tell.”