Father Mabeuf went to his room, took his hat, mechanically sought for a book to place under his arm, found none, said: "Ah! Truly!" and went off with a bewildered air.

马白夫公公走进屋子，拿起帽子，机械地要找一本书夹在胳膊下面，找不到，便说道：“啊！对！”

youdao

In 1988 a book with a great title, Fumbling the Future, chronicled the loss of PARC's hat trick to the upstarts.

FORBES: Sudden death for brands