Respectfully Quoted: A Dictionary of Quotations. 1989.
Louis Pasteur (182295)
In the fields of observation chance favors only those minds which are prepared.
LOUIS PASTEUR, inaugural lecture as professor and dean of the faculty of science, University of Lille, Douai, France, December 7, 1854.A Treasury of the Worlds Great Speeches, ed. Houston Peterson, p. 473 (1954).