“The scientist addresses an infinitesimal audience of fellow composers. His message is not devoid of universality but it's universality is disembodied and anonymous. While the artist's communication is linked forever with it's original form, that of the scientist is modified, amplified, fused with the ideas and results of others, and melts into the stream of knowledge and ideas which forms our culture. The scientist has in common with the artist only this: that he can find no better retreat from the world than his work and also no stronger link with his world than his work.”
Nobel Prize acceptance speech (1969) http://www.nobelprize.org/nobel_prizes/medicine/laureates/1969/delbruck-lecture.html
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Max Delbrück 4
biophysicist 1906–1981Related quotes
Source: 1960s - 1970s, The Systems Approach (1968), p. 61

How To Defend Society Against Science (1975)

Source: The Book of The Damned (1919), Ch. 1, part 4 at resologist.net

Mark Tobey Retrospective Exhibition, New York, Whitney Museum, 1951
1950's

Naum Gabo (1937) "Editorial", p. 9
1936 - 1977, Circle: International Survey of Constructive Art, 1937

http://www.paulglover.org/8812.html (“Ithaca Power”) comprehensive energy survey, received grant from Fund for Investigative Journalism, December 1988
Context: “While dissecting the universe scientists discovered that uranium, a metal invisibly boiling, can boil water to spark electricity. They believed the 'peaceful atom' would give cheap clean power. Recent years cause many to doubt this.”

Conclusion
Physics in my generation (1956)
Context: The scientist's urge to investigate, like the faith of the devout or the inspiration of the artist, is an expression of mankind's longing for something fixed, something at rest in the universal whirl: God, Beauty, Truth.
Truth is what the scientist aims at. He finds nothing at rest, nothing enduring, in the universe. Not everything is knowable, still less predictable. But the mind of man is capable of grasping and understanding at least a part of Creation; amid the flight of phenomena stands the immutable pole of law.