The correct answer to this open question is the following.
Some things that the Greeks admired were "human emotions" and "athletic competitions."
Greeks were passionated people that admire heroic feats of its people reflected in athletic competitions or the human drama that expressed feelings and emotions. Greeks were fierce competitors that people admire. That is why the created competition games called the Olympic Games, where great Greek athletes competed in different and demanding sports. Regarding the human drama, Greek authors are renown for their many works on tragedy and comedy, such as Sophocles, Euripides, Esquilo, and Aristophanes.