Walter Carrington aced it in his comments about ageing. 

(I'm quoting from memory - can a reader out there direct Chancer to the source?)

"Our mind doesn't age in the same way that our behaviour does."

A lot of smart people are dumb.

Real Intelligence is not measured by IQ or EQ alone because they fail to assess one critical factor:

How well can you adapt to change?

The insightful FM's final book was called: "The Universal Constant in Living."

And what is this universal constant? Can you guess?

It will be the most banal thing you can imagine, and it has nothing to do with:

My teacher Marjorie Barstow asked me that question in 1986.

She was sitting on a high bench in Cremorne Point – looking into Sydney’s sparkling Harbour - and I had just returned from a jaunt down below.

“What do you mean Marj?” I asked innocently.