“I guess there are never enough books.”

“You'll never find a cup of tea big enough or a book long enough to suit me.”

“I guess that’s the beauty of books. When they finish they don’t really finish.”

“I don't guess. I think. I ponder. I deduce. Then I decide. But I never guess.”

“You can get used to anything, I guess, if you've been there enough.”

“I guess by now I should know enough about loss to realize that you never really stop missing someone-you just learn to live around the huge gaping hole of their absence.”

“I guess it's true what they say: if you wait long enough everything changes.”

“If you make the same guess often enough it ceases to be a guess and becomes a Scientific Fact. This is the inductive method.”

“I guess there isn’t a rule book for what might be unacceptable to do to another human being.”

“The boy shrugged. "I've forgotten it," was all he said. And then, "I guess I wasn't taught well enough."”