From 《
论语·
阳货》:
子曰:'
饱食终日,
无所用心,
难矣哉!' ('Confucius said: To eat one's fill all day with one's mind on nothing — how hard a case!'). The idiom usually surfaces alongside
饱食终日 (bǎo shí zhōng rì, 'eat one's fill all day') as a paired criticism of aimless living.