04/22/1964
https://www.presidency.ucsb.edu...
"The highest and best form of efficiency is the spontaneous cooperation of a free people."
"The United States will continue to exert every effort to assure that these negotiations yield extensive reductions in restraints on trade in all classes of goods, including agricultural products."
"We would like to voluntarily do it."
"We shall do everything in our power to build in future years on the substantial progress in these directions achieved in 1965."