Analects of Confucius 1.14

The Master said, ‘He who aims to be a man of complete virtue in his food does not seek to gratify his appetite, nor

in his dwelling place does he seek the appliances of ease; he is earnest in what he is doing, and careful in his speech; he frequents the company of men of principle that he may be rectified:— such a person may be said indeed to love to learn.’