Sophocles Quotes about Gratitude
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Men of ill judgment ignore the good that lies within their hands, till they have lost it.
Aeschylus, Sophocles, EurÃpides, Aristophanes, Menander (of Athens.) (1938). “The complete Greek drama: all the extant tragedies of Aeschylus, Sophocles and Euripides, and the comedies of Aristophanes and Menander, in a variety of translations”
"Oedipus at Colonus". Book by Sophocles, 401 BC.