With any actor, if you know your character well enough, you'll know pretty much what he would say under any circumstance, or whatever situation might rear its head.
“Our object should be peace within, and peace without. We want to live peacefully and maintain cordial friendly relations with our immediate neighbours and with the world at large.”
“It's dangerous to think too much about how a film will be received. Filmmaking is not a popularity contest. Some would disagree.”