SB 11.8.2
grasam su-mrstam virasam
mahantam stokam eva va
yadrcchayaivapatitam
grased ajagaro ’kriyah
Translation:
Following the example of the python, one should give up material endeavors and accept for one’s maintenance food that comes of its own accord, whether such food be delicious or tasteless, ample or meager.