He is here. Obi-Wan Kenobi? What makes you think so? A trem...
Darth Vader: He is here.
Governor Tarkin: Obi-Wan Kenobi? What makes you think so?
Darth Vader: A tremor in the Force. The last time I felt it was in the presence of my old master.
Governor Tarkin: Surely he must be dead by now.
Darth Vader: Don't underestimate the Force.