There came one and knocked at the door of the Beloved. And a voice answered and said, 'Who is there?' The lover replied, 'It is I.' 'Go hence,' returned the voice; 'there is no room within for thee and me.' Then came the lover a second time and knocked and again the voice demanded, 'Who is there?' He answered, 'It is thou.' 'Enter,' said the voice, 'for I am within.
RumiFrom cane reeds, sugar. From a worm's cocoon, silk. Be patient if you can, and from sour grapes will come something sweet.
Rumi