"a quiet one" is a correct and usable phrase in written English.
You can use it to refer to a quiet person or a quiet environment. For example: "At the party last night, Paul was a quiet one."
Do you want a quiet one, head down, no fuss, just getting on with it?
With fresh capital in its coffers, Dropbox appears to be on somewhat of an acquisition spree, albeit a quiet one.
"On night patrols, sometimes you got lucky and got a quiet one.
My own contribution is a quiet one.
It raises a quiet one for us.
"If we're lucky, it'll be a quiet one and a quick one".
The reception the Met has given for them is a quiet one -- silent, actually.
But Ms. Kennedy's relationship with New York has been a quiet one.
What he does bring is a quiet one-on-one approach, an opportunity to engage in prayer and open conversation.
It's a quiet one-bedroom on the Upper East Side where he has lived for 17 years, and it costs him less than $1,500 a month.
This is a perfect honeymoon getaway or a relaxing vacation retreat for close friends looking for a quiet, one-of-a-kind retreat.
