Clip of quote: Professor Walsh. She implanted the behaviour modifier. Clip of quote: Professor Walsh. She implanted the behaviour modifier. Yarn is the best way to find video clips by quote. Find the exact moment in a TV show, movie, or music video you want to share. Easily move forward or backward to get to the perfect spot. It's available on the web and also on Android and iOS.
Professor Walsh. She implanted the behaviour modifier.
Professor Walsh. She implanted the behaviour modifier.
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