“Disneyland will never be completed. It will continue to grow as long as there is imagination left in the world.”
A similar quotes about EPCOT and other similar statements about Disneyland also exist.
The Quotable Walt Disney (2001)
Variant: Disneyland will never be completed. It will continue to grow as long as there is imagination left in the world.
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Walt Disney 102
American film producer and businessman 1901–1966Related quotes

Speech on the Civil Rights Bill (3 February 1875), as quoted in the Congressional Record, 43rd Congress, 2nd Session, Vol 3, p. 959.
1875

October 26, 1941; Vol. 1, p. 191.
Diary (1939 - 1945)

'Why I Am a Socialist', South Leeds Worker (December 1937), quoted in Philip Williams, Hugh Gaitskell: A Political Biography (1979), p. 68

It's Not Easy Being Green: And Other Things to Consider https://books.google.com/books?id=IiKY1H0A_QEC&pg=PT102 (Hyperion, 2005).
Cf. Wisdom from It's Not Easy Being Green: And Other Things to Consider https://books.google.com/books?id=EEiqMIgAl3UC&pg=PA49 (White Plains, N. Y.: Peter Pauper Press, Inc., 2007), p. 49.

Source: Alberto Fernández (2021) cited in: " President Alberto Fernández given third dose of Sputnik V vaccine https://www.batimes.com.ar/news/argentina/president-alberto-fernandez-given-third-dose-of-sputnik-v-vaccine.phtml" in Buenos Aires Times, 6 December 2021.

2000s, 2005, Address to the National Endowment for Democracy (October 2005)