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"True science always stands upon a frontier. It probes at the 
edges of our knowledge and our ignorance, and we accept its contri- 
butions as valuable, its continuation as a necessity. Perceived as 
a gradual extension of the sphere of knowledge, science is accepted 
eind praised as both our benefactor and our servant. 
"This is the science with which we are most comfortable, the science 
v^ich explains how things work, which promises health, physical 
well-being, and neterial progress. 
"But the boundaries of the physical and biological sciences are not 
so easily contained. Frcm time to time we find or come upon a field 
of inquiry which fundamentally chaLllenges our concepts of life and 
nature, vtiich confronts us too directly for our collective comfort 
or convenience, and yet intrigues us too greatly to ignore. 
"It is on this meeting ground of science and philosophy where man has 
nade his greatest scientific advances. It is also here that science 
has caused its greatest strains upon our social, political, and 
religious institutions. 
"When Galileo offered the theory that the Earth revolves around the 
Sun, it was bad enough to his oontenporaries that he conrdtted scientific 
error. It was worse that he committed heresy as well. 
"Yet Galileo probed only the physical universe. As science has pro- 
gressed and transformed our lives in so many ways, we have rejected 
many of the dognas of an earlier day. . . . 
[ 609 ) 
