Instantia Crucis
"Francis Bacon used the phrase instantia crucis, 'crucial instance,' to refer to something in an experiment that proves one of two hypotheses and disproves the other. Bacon's phrase was based on a sense of the Latin word crux, 'cross,' which had come to mean 'a guidepost that gives directions at a place where one road becomes two,' and hence was suitable for Bacon's metaphor."
— The American Heritage® Dictionary of the English Language, Fourth Edition
The high notes hit by Harriet Wheeler, Jen Slocumb, and Alanis Morissette can, I am sorry to say, be excruciating. (See previous entry.) I greatly prefer the mellow tones of Mary Chapin Carpenter:
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"I guess you're never really all alone, |
From an entry of 12/22/02:
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A white horse comes as if on wings.
— I Ching, Hexagram 22: Grace
See also
Plato, Pegasus, and the Evening Star,
Shining Forth, and
Carpenter's song quoted above
is from the album
Between Here and Gone,
released April 27, 2004.