American Standard Version (ASV):
At the noise of the stamping of the hoofs of his strong ones, at the rushing of his chariots, at the rumbling of his wheels, the fathers look not back to their children for feebleness of hands;
King James Version (KJV):
At the noise of the stamping of the hoofs of his strong [horses], at the rushing of his chariots, [and at] the rumbling of his wheels, the fathers shall not look back to [their] children for feebleness of hands;