It is so easy to be reckless

Luc de Clapiers, an 18th-century French essayist, said, "The most absurd and reckless aspirations have sometimes led to extraordinary success."

That is true. Even at the bridge table, a reckless line of play can work out well, when the cards are favorably distributed. However, in newspaper columns and classes, recklessness is costly.

In this deal, for example, how should South play in three no-trump after West leads the heart jack to dummy's queen?