The tranquillity of the night was spoiled when the traffic started coming through the village.
Before logging began nearby, the stream flowed through a tranquil meadow.
It depends on whether the statement is a complete sentence or not. If the quoted statement is a complete sentence, you would use a period. If the quoted statement is within a larger sentence, you would use a comma.
she lost her virtue in the city.
Plato is a name, so you use it in a manner consistent with how you would use any other name. As in, "Plato wrote a sentence."
She sat by the lake to contemplate her future.
The address of the Tranquillity Station is: 25561 W Williams St, Tranquillity, 93668 M
The phone number of the Tranquillity Station is: 559-698-5158.
Dark Tranquillity was created in 1989.
Before logging began nearby, the stream flowed through a tranquil meadow.
Peacefulness.
She found that the tranquillity of the lakeside scenery enabled her to forget her worries for a time.
No, it is folklore.
to calm
Tranquillity and calmness of mind.
on the moon
Peace, tranquillity and happiness perhaps.
William Samuel has written: 'A guide to awareness and tranquillity' 'A guide to awarness and tranquillity' -- subject(s): Awareness, Peace of mind, Quietude