“ I can understand how Congress might be thought to have desired to authorize the President to seize the property of citizens and corporations of friendly countries and allies when those countries were at the time being occupied by an enemy which might be able to use their property to carry on war against us. ”

“ Our constitutional guarantee against uncompensated government seizure of private property surely does not melt away merely because public officials believe the Government needs to seize property without paying for it. ”

“ And even though the Act defines and 'enemy' as 'Any individual, partnership, or other body of individuals, of any nationality, resident within the territory (including that occupied by the military and naval forces) for any nation with which the United States is at war * * * and any corporation incorporated within such territory * * *,' it does not say, as did the Court of Appeals, that every corporation which was at any time present within territory while that territory was occupied by an enemy is an 'enemy' within the meaning of the Act. ”