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"Save our standards", you say (Leader, November 19). But what standards? Who decides these but a consensus of academia's Great and Good, relative to an ideology/world-view: that is, a ruling theory of reality and truth, and a vision of the good selecting what counts as reality and truth? Without clarification and definition of these, the advice is empty.

A world facing meltdown (global conflict, eco catastrophe and so on) calls for nothing less than a revolution in how we see, think and live.

David Johnson
Woldingham, Surrey