One verse

Bhagavad Gita 18.38

18.38

विषयेन्द्रियसंयोगाद्यत्तदग्रेऽमृतोपमम् | परिणामे विषमिव तत्सुखं राजसं स्मृतम् ||१८-३८||

viṣayendriyasaṃyogādyattadagre.amṛtopamam . pariṇāme viṣamiva tatsukhaṃ rājasaṃ smṛtam ||18-38||

viṣaya
of the objects of the senses
indriya
and the senses
saṁyogāt
from the combination
yat
which
tat
that
agre
in the beginning
amṛta-upamam
just like nectar
pariṇāme
at the end
viṣam iva
like poison
tat
that
sukham
happiness
rājasam
in the mode of passion
smṛtam
is considered
yat
that which

That happiness which is derived from contact of the senses with their objects and which appears like nectar at first but poison at the end is said to be of the nature of passion.