"I know we could be trying to save someone who isn't there, or who isn't the right one. However, I also don't want to go back to the bar just to come back here, if this is the right Earth. If the yeerks see us, then notice our coming back with terenia in tow, they'll know exactly why we came back. Visser Three is an idiot, but he can at least add two and two together."
"We need some conclusive information. Maybe if she left, and came to her Earth, and we found her, we would know. If that didn't work, though, we would have less of a chance of finding her."