"Probably a useful trait though, in your profession," I said.
"Actually, a more useful trait in my profession is listening quietly."
This last quality has been, for bears, a very useful trait.
A useful trait when chemical and biological agents were being used.
These are all useful traits, but, in the end, they don't necessarily make superior people.
But that taught me to be funny and fast - useful traits.
In fact, it strikes me as an extremely useful trait for a security agent.
It's one of his more useful but less attractive traits.
It's my personality, and these were useful traits for a pitcher.
But it might be a useful trait in an astronaut candidate.