Famous quotes containing the words constructive, set and/or theory:
“Friendship among nations, as among individuals, calls for constructive efforts to muster the forces of humanity in order that an atmosphere of close understanding and cooperation may be cultivated.”
—Franklin D. Roosevelt (1882–1945)
“Artists the minute they set up as artists,
Before, that is, they are themselves accepted,
And boys the minute they get out of college.
I can’t help thinking those are tests to go by.”
—Robert Frost (1874–1963)
“The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals.”
—Thomas Henry Huxley (1825–95)
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