The trial court rendered judgment for plaintiff. The court of civil appeals reversed the judgment of the trial court and rendered judgment that Grace M. Power take nothing. 448 S.W.2d 511. John A. Power executed his will in June, 1944. His will left all of his property to his wife, Mary Elizabeth Power, 'to be used, occupied, enjoyed, conveyed, and expended during her life, as she may desire * * *.' The will further provided that: