Families are the Nurseries of all Societies; and the First combinations of mankind.
Religions are often state-protected nurseries of pseudoscience, although there's no reason why religions have to play that role. In a way, it's an artefact from times long gone.
Look for me in the nurseries of Heaven.
Public schools are the nurseries of all vice and immorality.
We fill the hands and nurseries of our children with all manner of dolls, drums and horses, withdrawing their eyes from the plain face and. . . Nature, the sun and moon, the animals, the water and stones, which should be their toys.
Nowadays tournaments are for nurseries. Look at those kiddies.