List of voters for the quote

Penny: I need some guinea pigs.Sheldon: O-kay, there's a lab animal supply company in Reseda you could try. But if your research is going to have human applications, may I suggest white mice instead; their brain chemistry is far closer to ours.Penny: I swear to God, Sheldon, one day I'm going to get the hang of talking to you.Leonard: His mom's been saying that for years.

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