That is true only to some extent. Information can be valid or invalid independently from it's source. If you have an idea in your dream, does that mean it won'

That is true only to some extent. Information can be valid or invalid independently from it's source. If you have an idea in your dream, does that mean it won't apply in the real world? Even though the dream is nothing like reality, it doesn't inherently mean that the idea is wrong, it just means that it's not 100% right.