Franklin Roosevelt actually said...
The Government of the United States, therefore, will expect that nationals of the United States of America within the territory of the Union of Soviet Socialist Republics will be allowed to conduct without annoyance or molestation of any kind religious services and rites of a ceremonial nature.
Context
Communications between the President Franklin D. Roosevelt and Maxim Litvinov of the Union of Soviet Socialist Republics
11/15/1933