One verse

Srimad Bhagavatam 6.1.12

6.1.12

नाश्नत: पथ्यमेवान्नं व्याधयोऽभिभवन्ति हि । एवं नियमकृद्राजन् शनै: क्षेमाय कल्पते ॥ १२ ॥

nasnatah pathyam evannam vyadhayo ’bhibhavanti hi evam niyamakrd rajan sanaih ksemaya kalpate

na
not
asnatah
those who eat
pathyam
suitable
eva
indeed
annam
food
vyadhayah
different types of disease
abhibhavanti
overcome
hi
indeed
evam
similarly
niyama-krt
one following regulative principles
rajan
O King
sanaih
gradually
ksemaya
for well-being
kalpate
becomes fit.

My dear King, if a diseased person eats the pure, uncontaminated food prescribed by a physician, he is gradually cured, and the infection of disease can no longer touch him. Similarly, if one follows the regulative principles of knowledge, he gradually progresses toward liberation from material contamination.