chunk: In Part 2, Tamburlaine grooms his sons to be conquerors in his wake as he continues to attack his neighbouring kingdoms. His oldest son, Calyphas, preferring to stay by his mother's side and not risk death, incurs Tamburlaine's wrath. Meanwhile, the son of Bajazeth, Callapine, escapes from Tamburlaine's jail and gathers a group of tributary kings to his side, planning to avenge his father. Callapine and Tamburlaine meet in battle, where Tamburlaine is victorious. But finding that Calyphas remained in his tent during the battle, Tamburlaine kills him in anger. Tamburlaine then forces the defeated kings to pull his chariot to his next battlefield, declaring,
  Holla ye pampered jades of Asia!
  What, can ye draw but twenty miles a day?