What is a such idea of this paragraph

What happens once in a minute twice in a moment and never in a thousand years?

Timed. from kate chopin the awakening despite the opinions of seemingly everyone else, madame lebrun likes which of her sons better

Ead this sentence from the evolution of useful things.the underlined phrases indicateaaking waterproof sandpaper would allow wet sanding,which in turn would cut down on dust, and thus be a greatmprovementpassing of timea directional change of positiona cause-and-effect relationshipsequence of events.save and exitmark this and retur