Today, words. Tomorrow, sticks and stones. And the day after that?

Later, in a different home, I befriended a eucalypt, using a resilient bough as a trampoline. Learning nothing from having plummeted from the peppercorn, I'd bounce happily in my haven in the heavens. I loved that tree - and fully understand why Heysen, Roberts, McCubbin and the rest devoted so much time and effort to painting arboreal portraits.

Trees are very good friends. Firm friends. My five year olds tree could be relied upon to be there next day, uncritical and protective. And think of trees contribution to our lives. They provide boats, buildings, paper, furniture and, for clog-wearers, footwear. As well as contributing toothpicks and chopsticks they give little birdies somewhere comfy to sit. Best of all, they help produce breathable air and lock up that naughty carbon. Why is why I am talking to the Greens about giving trees the vote.

When I was five, a tree was my best friend. An old peppercorn on Grandpa's little farm. I'd haul myself into its calloused arms and hide from the world in its foliage. Apart from the pleasure of looking down on unsuspecting adults, I could be Robin Hood in a one-tree Sherwood Forest or Johnny Weissmuller in his jungle. I fell out of my friend once while Tarzan-ing. Gashed a large chunk from a leg. Almost 70 years later, there's still a scar.

Sport provides the spectacle, the metaphor, the religious ritual, the putty to fill the cracks in countless lives.

While sticks and stones break bones, words can never hurt? Manifestly untrue. Politics everywhere are holistic, interconnected, and the rhetoric of right or left can produce toxic atmospheres in which lunacy thrives.

Let the massacres remind us to turn down our political volume and venom.