UNAWARE

Unconsciously Thoughtlessly

All the while I was living in blissful ignorance of——

I was sweetly oblivious to the fact that——

In happy ignorance

Crass ignorance

He has plainly a lot to learn about——

The idea never occurred to them so far as any evidence goes to show

A model of blameless mediocrity

There is a dearth of knowledge about——

One half the world knows not how the other half lives