Candle of learning?

"Curiosity is the wick in the candle of learning."
William Arthur Ward

Not too much opportunity to get down to the essay today... but in between bouts of industrial post-builder housework in preparation for the m-i-l coming to stay and various other obligations and distractions, I'll do my best...

(This all sounds very earnest... there always seems to be time found for blip browsing!)