Rosencrantz and Guildenstern Are Dead Foolishness and Folly Quotes

How we cite our quotes: Citations follow this format: (Act.Line). Every time a character talks counts as one line, even if what they say turns into a long monologue.

Quote #10

ROS: A compulsion towards philosophical introspection is his chief characteristic, if I may put it like that. It does not mean he is mad. It does not mean he isn't. Very often, it does not mean anything at all. Which may or may not be a kind of madness. (3.261)

Does Ros stumble into significant insights through his mindless reasoning or not? Is excessive philosophical introspection just folly?