In this study, hopeful thinking from quadruple thinking (critical, creative, caring and hopeful thinking ways) is discussed. It is given the etymology of the term, history of hopeful thought, its dimensions and the supporting thinking ways. Besides, the hopeful thinking is compared with unhelpful thinking. At last, the quadruple thinking is shown in the relationships between hopeful thinking and other thinking ways (critical, caring and creative). (C) 2009 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of Dr. Zafer Bekirogullari of Y.B.