Calamity - The Hebrew word is plural (Psalms 91:3), and seems to express the multiplied and manifold sorrow caused by the foolis…

A continual dropping.— As of the rain leaking through the flat roof of an eastern house on a wet day. .

A foolish son [is] the calamity of his father Or, "the calamities of his father" ^F17 ; he brings them to him. …

It shows the vanity of the world, that we are liable to the greatest griefs where we promise ourselves the greatest comfort.