Richard Nixon actually said...
Adoption of this proposal by the Congress would assure all of the American people--and particularly the more than 750,000 dedicated men and women who work in the postal service--that future appointments and promotions in this important department are going to be made on the basis of merit and fitness for the job, and not on the basis of political affiliations or political influence.
Context
Special Message to the Congress on Reform of the Postal Service.
02/24/1969