set one's heart at rest, to

set one's heart at rest, to

To stop worrying; to dismiss one’s anxiety. This expression was used by Shakespeare in A Midsummer Night’s Dream (“Set your heart at rest,” 2.1) and appeared in John Ray’s 1670 proverb collection.
See also: heart, set
The Dictionary of Clichés by Christine Ammer
See also:
  • an apple a day (keeps the doctor away)
  • teach a man to fish
  • it takes a village
  • village
  • all cats are gray after dark/at night
  • chickens come home to roost
  • chickens come home to roost, one's
  • a good example is the best sermon
  • tomorrow never comes
  • best defense is a good offense