Whether you take the doughnut hole as a blank space or as an entity unto itself is a purely metaphysical question and does not affect the taste of the doughnut one bit.
This quote emphasizes the subjective nature of perception, suggesting that how one views the doughnut hole—either as an empty void or as a distinct object—does not change the actual experience of enjoying the doughnut itself. It highlights that philosophical interpretations may not influence tangible experiences.