“The future belongs to those who build it”

     
Google Books
Divide and Con:
Canadian Politics at Work

By Walter Stewart
Toronto, ON: New Press
1973
Pg. 169:
Funny, I don’t remember him finding the old joint in such rough shape in 1968, and indeed a flip through the clippings shows the Prime Minister, on June 7, 1968, saying this: “We realize, wherever we go, people are more and more aware of the future of this country. . . . The future belongs to those who build it.”
 
Google Books
The High Road
By Ben Bova
Boston, MA: Houghton Mifflin
1981
Pg. 279:
The future belongs to those who build it. Neither Americans nor any other people have an assured birthright to tomorrow.