Isaiah 62:8

The Lord hath sworn by His right hand and by the arm of His strength, in a most solemn oath, with the definite assurance that His almighty power is able to carry out His will, Surely I will no more give thy corn to be meat for thine enemies, as had been the case whenever the enemies invaded the land, and the sons of the stranger shall not drink thy wine for the which thou hast labored, enjoy the fruits of the Church's labor;