Have you ever sat and been thinking about nothing,
then realising you must be thinking about something,
it's impossible to think about nothing and you are -
techinically speaking - thinking about thinking about nothing.
So in fact, this is of course thinking of something,
therefore you are thinking of something after all.
So I would say you can't think of something or nothing,
as if you think of something without a specific something,
you are after all thinking about nothing in particular...
So thus you are thinking about nothing, though that is in fact...
Something!
Honorable mention
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