Answer :

In “A Nocturnal Reverie” by Anne Finch, it is the fact that when nature is calm and peaceful you want to stop and enjoy it. This is the main difference between the pursuit of pleasures and the calmness caused by nature.
In “A Nocturnal Reverie” by Anne Finch, the main difference between the pursuit of pleasures and the calmness caused by nature  is:
Nature brings about a pleasure that is only obtainable when one has enough free time.
Explanation:
In this, it is stated that nature has many pleasures and eye capturing beauty which give relief to heart and peace to the mind. All these beautiful aspects of nature can be enjoyed when someone has leisure time to enjoy them freely with no tension