I am persuaded that the people of the world have no grievances, one against the other. The hopes and desires of a man who tills the soil are about the same whether he lives on the banks of the Colorado or on the banks of the Danube.
Lyndon B. Johnson (1908-1973) American politician, educator, US President (1963-69)
Speech (1947-05-07), House of Representatives
(Source)
As part of an argument that the increasing tension between the Soviet Union and the US was over ideology and government actions, not between peoples.