People
A lady's imagination is very rapid; it jumps from admiration to love, from love to matrimony in a moment.
— Jane Austen

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker observes that a lady's imagination moves at astonishing speed, leaping from admiring someone straight to love and then to marriage in a single moment. It's a wry point about how quickly feelings can be daydreamed forward, skipping every step in between.
Context reviewed