Ex pede Herculem
Ex pede Herculem, "from his foot, [we can measure] Hercules", is a maxim of proportionality inspired by an experiment attributed to Pythagoras. == Origin == According to Aulus Gellius' Noctes Atticae: "The philosopher Pythagoras reasoned sagaciously and acutely in determining and measuring the hero's superiority in size and stature.