Harry Truman actually said...

When I am ready, I will answer that question.

Notwithstanding the provisions of the foregoing paragraphs (a) and (b), no alien applying for admission, even with a valid permit to enter, ...

After the effective date of the rules and regulations hereinafter authorized, no alien shall enter or attempt to enter the United States unl...

No permit to enter shall be issued to an alien if it appears to the satisfaction of the issuing officer, or the Secretary of State, that the...