What is most remarkable about Ayres Rock is that some three and one half miles of it extend into the earth’s crust.

Of the known knowns, known unknowns, unknown knowns and unknown unknowns, I would place “OH” beneath the surface in the “known unknowns” category which has the effect of making it an “unknown known”. Sorta like the difference between stating you are a Marxist and being thought a Leninist. Or is that closer to the choice between remaining silent and being thought a fool and opening ones mouth and removing all doubt.

Cedarford, we agree on something, “Wretchard, you sly Aussie punster!”

Hoot hoot.