We can halve most forms of violence by 2030. Here's how.

A second step is to determine where violence concentrates and who is most at risk.

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Violence has always been one of humanity's most serious global challenges. This is because for most of history, we were natural born killers.

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'Hypersanity' is not a common or accepted term. But neither did I make it up. I first came across the concept while training in psychiatry, in The Politics of Experience and the Bird of Paradise (1967) by R D Laing.

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10 Krishnamurti quotes on the meaning of life

The Indian philosopher had a lot to say.

Indian philosopher Jiddu Krishnamurti arrived in Sydney, 14 November 1970. Image source: Fairfax Media via Getty Images)
  • The Indian philosopher taught that concepts get in the way of observation, and only by ridding yourself of concepts can you experience freedom.
  • Reared to be a Theosophist leader, Krishnamurti rejected that system (along with all others) in formulating his outlook.
  • His books touch upon topics such as education reform, physics, and meditation.
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