The phrase "My words fly up, my thoughts remain below: Words without thoughts never to heaven go" is from the play "Hamlet." It takes place in Act 3, Scene 3.
During the scene in Hamlet, the king tells Rosencrantz and Guildenstern to go to England with Hamlet. It is after a prayer that the king recites when the line is uttered upon rising. This quote is an example of irony, as the king wasn't meaning the words that he was saying in the prayer. King Claudius believes words without meaning do not reach heaven, and so this quote explains that his words are invalid.
This particular metaphorical device is called “. personification.” where an abstraction is given physical properties to compare the abstraction with a visible, imaginable
In other words, he is not willing to repent of his sin, therefore, the sin will not be forgiven. or, In this pivotal scene the King has directed Rosencrantz and Guildenstern to accompany