《淮南子·道应训》
谁晓得知道的却是不知道，不知道的却是知道呢？ 
孰知知之为弗知，弗知之为知邪？ 
Who knows that knowing is actually not knowing and not knowing is actually knowing?
<s>[INST] Kindly elucidate the central themes in this passage in English: 孰知知之为弗知，弗知之为知邪？  [/INST] Who knows that knowing is actually not knowing and not knowing is actually knowing?</s>
Kindly elucidate the central themes in this passage in English: 孰知知之为弗知，弗知之为知邪？
user
Who knows that knowing is actually not knowing and not knowing is actually knowing?
assistant