Transcript: Rapture is at war, Porter... and you have cast your lot with the enemy. Your concerned associates provided me with a recording of your own voice, swearing loyalty to Fontaine and his gangsters -- evidence of treason. My men are already on their way. The Thinker no longer needs you; take pride in that. Mr. Wahl is qualified to ensure that it is used in the city's best interest. Eventually, a man's dream exceeds him, and his work becomes his legacy. For you, Charles, that hour has come.
Location: In the room past the frozen tunnel on the console, on the way to the Climate Control area.