The difference between a mere impulse and a real intuition may often be detected in two ways first by waiting a few days as the subconscious mind has then a chance to offer help in deciding the matter second by noting the kind of emotion which accompanies the message

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... The difference between a mere impulse and a real intuition may often be detected in two ways: first, by waiting a few days, as the subconscious mind has then a chance to offer help in deciding the matter; second, by noting the kind of emotion which accompanies the message.