One verse

Srimad Bhagavatam 10.51.52

10.51.52

करोति कर्माणि तप:सुनिष्ठितो निवृत्तभोगस्तदपेक्षयाददत् । पुनश्च भूयासमहं स्वराडिति प्रवृद्धतर्षो न सुखाय कल्पते ॥ ५२ ॥

karoti karmāṇi tapaḥ-suniṣṭhito nivṛtta-bhogas tad-apekṣayādadat punaś ca bhūyāsam ahaṁ sva-rāḍ iti pravṛddha-tarṣo na sukhāya kalpate

karoti
one performs
karmāṇi
duties
tapaḥ
in the practice of austerities
su-niṣṭhitaḥ
very fixed
nivṛtta
avoiding
bhogaḥ
sense enjoyment
tat
with that (position which he already has)
apekṣayā
in comparison
adadat
assuming
punaḥ
further
ca
and
bhūyāsam
greater
aham
I
sva-rāṭ
sovereign ruler
iti
thus thinking
pravṛddha
rampant
tarṣaḥ
whose urges
na
not
sukhāya
happiness
kalpate
can attain

A king who desires even greater power than he already has strictly performs his duties, carefully practicing austerity and forgoing sense enjoyment. But he whose urges are so rampant, thinking “I am independent and supreme,” cannot attain happiness.