The Iliad 23.379–393

Eumelus' car, and with their breath his back waxed warm and his broad shoulders, for right over him did they lean their heads as they flew along. And now would Tydeus' son have passed him by or left the issue in doubt, had not Phoebus Apollo waxed wroth with him and smitten from his hand the shining lash. Then from his eyes ran tears in his wrath for that he saw the mares coursing even far swiftlier still than before, while his own horses were hampered, as running without goad. and gave him back the lash and put strength into his horses. Then in wrath was she gone after the son of Admetus, and the goddess brake the yoke of his steeds, and to his cost the mares swerved to this side and that of the course, and the pole was swung to the earth; and Eumelus himself was hurled from out the car beside the wheel,