Quotes from book
The Grand Chessboard
The Grand Chessboard: American Primacy and Its Geostrategic Imperatives is one of the major works of Zbigniew Brzezinski. Brzezinski graduated with a PhD from Harvard University in 1953 and became Professor of American Foreign Policy at Johns Hopkins University. He was later the United States National Security Advisor from 1977 to 1981, under the administration of President Jimmy Carter.

“For America, the chief geopolitical prize is Eurasia.”
Source: The Grand Chessboard (1997), Chapter 2, The Eurasian Chessboard, p. 30.