"You've done a great deal in a small timespan."
"You've done so well, in fact I've received some interesting offers for your services. Ordinarily, I wouldn't contemplate them, but these are extraordinary times."
"Rather than offer you the illusion of free choice, I will take the liberty of choosing for you...if and when your time comes round again. I do apologize for what must seem to you an arbitrary imposition, Dr.Freeman. I trust it will all make sense to you in the course of...well..."
"I'm really not at liberty to say."
"In the meantime..."
"This is where I get off."