Harry Truman actually said...

These requirements are absolute, and we must not divest the War and Navy Departments of the means of meeting any material shortages.

The wholehearted acceptance of this doctrine by all of us is the keystone of the Inter-American System.

We have a good-neighbor policy in common and, as a result of this sincere application of that policy, we form a good neighborhood.

It is the application of the Golden Rule.