a situation, subject, remark, event that provides material fro thought that requires to be carefully considered
At the very least, the exhibition provides food for thought: as the 21st century nears, do we really want architecture that looks as if it was built in the 18th? bNCI
As for Mozart himself, who had married the sister of the woman he loved, the subject of Cosi must surely have given him food for thought. BNCI
His study certainly provides food for thought, though. BNCI