People
Get a bicycle. You will not regret it, if you live.
— Mark Twain • Taming the Bicycle
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The enthusiastic recommendation suddenly acquires a survival clause. That last qualification makes cycling sound both irresistible and hazardous, puncturing the confidence of the opening. The joke depends on how casually a potentially fatal drawback is attached to otherwise cheerful advice.
Context reviewed