Robert C. Koehler: Growing old in the newborn universe

That link between age and wisdom — is it just a joke?

Suddenly I’m curious in a real way. I just turned . . . 75. There’s a significance to that number that isn’t abstract, and I’m having a hard time ignoring it. Perhaps it has more to do with cataracts and hearing aids, not to mention wobbly knees, lost thoughts and techno-cluelessness, than it does with diamonds. But I find myself wondering, more than ever, what I have learned over the past three quarters of a century — and what, if anything, I understand.

I think about the