Arcana Coelestia # 3152
3152. 'And he said, Speak on!' means desire for it. This is clear from the meaning of 'speaking words' as giving instruction, here of 'Speak on!' as a command to give instruction. That these words imply the desire for it is self-evident.
Revelation 1:1
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This is the Revelation of Jesus Christ, which God gave him to show to his servants the things which must happen soon, which he sent and made known by his angel to his servant, John,