Havelock's contention that Socrates and Plato belonged to different philosophical eras was the first instance of one that would become central to his work: that a basic shift in the kinds of ideas being discussed by intellectuals, and the methods of discussing them, happened at some point between the end of the fifth century BC and the middle of the fourth.
Much of Havelock's work was devoted to addressing a single thesis: that all of Western thought is informed by a profound shift in the kinds of ideas available to the human mind at the point that Greek philosophy converted from an oral to a literate form.
"He's definitely part of the excitement of this shift, this idea of comedy as art.
Although he continued to teach and write on philosophy throughout the later 1940s and into the early 1950s, his interests had shifted to the history of ideas, particularly Russian intellectual history, the history of Marxist and socialist theories, and the Enlightenment and its critics.
As England's confidence grew, South Africa seemed to run out of ideas, the shift in momentum emphasised when Cook hooked a Steyn bouncer for six on the stroke of lunch.
These sorts of MixPlay experiences shift the idea of Mixer being just another game streaming service to one where viewers can actively participate by playing themselves, or at least guiding the action.
In this ambitious but fragmentary novel of ideas, Kavenna shifts between time periods and genres, juxtaposing four thematically related tales.
This often required major shifts in perspectives and ownership of ideas, along with a time commitment to the early stages of the process.
One of the most interesting aspects of the museum's collection is its visual narrative of shifting ideas about ecology and biology.
But before jumping to the conclusion that Latinos are selecting "white" because of shifting racial ideas or assimilation, let's consider a few characteristics of the Latino community.
