I really like what's happening, the thoughtfulness and the unthoughtfulness -- it's exciting.    From Wordnik.com.  [CNN Transcript - Larry King Live: Marth Stewart Discusses the Business Ventures That Made Her a Billionaire - February 2, 2000] Reference

One saw gaiety, misery, fear, thoughtfulness and unthoughtfulness all mixed up like a kaleidoscope.    From Wordnik.com.  [An Onlooker in France 1917-1919] Reference

Christmas-tide than can come home to the hearts of children and unthoughtfulness, and yet it had grown to be so painfully like other days, -- an occasion for a little bigger dinner, that was about all.    From Wordnik.com.  [A Christmas Accident and Other Stories] Reference