Which, oddly, reminded me of this:
Professor Farnsworth: There. This time I'm sure I've fixed the mind-switcher.
Amy: Good, I'm sick of cleaning up those heaps of dead monkeys. But why would you want your mind in a new body?
Professor Farnsworth: Well, as a man enters his 18th decade, he thinks back on the mistakes he's made in life.
Amy: Like the heaps of dead monkeys?
Professor Farnsworth: Science cannot move forward without heaps!