In the Secrets of the Sith book which is canon (and from Star Wars episode 9 The Rise of Skywalker), Palpatine's point of view covers many topics, characters, and worlds. 
Today, we're going to talk about the chosen one and how Palpatine felt about Anakin Skywalker who then later became Darth Vader. He goes into great detail about his thoughts from first meeting Anakin to becoming Vader and then again, rising as Anakin (or in his view, falling as Anakin in the end).
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