History
Fluid and crystallized intelligence were originally identified by Raymond Cattell. Concepts of fluid and crystallized intelligence were further developed by John L. Horn, the primary student of Raymond Cattell.
Read more about this topic: Fluid And Crystallized Intelligence
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“A country grows in history not only because of the heroism of its troops on the field of battle, it grows also when it turns to justice and to right for the conservation of its interests.”
—Aristide Briand (1862–1932)
“... that there is no other way,
That the history of creation proceeds according to
Stringent laws, and that things
Do get done in this way, but never the things
We set out to accomplish and wanted so desperately
To see come into being.”
—John Ashbery (b. 1927)
“The history of philosophy is to a great extent that of a certain clash of human temperaments.”
—William James (1842–1910)