It is a figure of speech where you start a sentence with a concept and end it with another apparently of opposite meaning, but instead of being an incoherence it is a play on words, a double meaning, an irony. In Greek 959; 958; 965; 956; 969; 961; 959; 962; (oxymoros) is made up of 959; 958; 965; 962; ( oxys "tip" ) 956; 959; 961; 959; 962; (morós "stupid, lerdo") , and can be interpreted as "dumb extremes".