A saintly person should accept only enough food to keep his body and soul together. He should go from door to door accepting just a little bit of food from each family. Thus he should practice the occupation of the honeybee.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
स्तोकं स्तोकं ग्रसेद्ग्रासं देहो वर्तेत यावता । गृहानहिंसन्नातिष्ठेद्वृत्तिं माधुकरीं मुनिः
stokaṃ stokaṃ grasedgrāsaṃ deho varteta yāvatā | gṛhānahiṃsannātiṣṭhedvṛttiṃ mādhukarīṃ muniḥ
SB 11.8.9