One verse

Srimad Bhagavatam 9.14.5

9.14.5

यदा स देवगुरुणा याचितोऽभीक्ष्णशो मदात् । नात्यजत् तत्कृते जज्ञे सुरदानवविग्रह: ॥ ५ ॥

yada sa deva-guruna yacito ’bhiksnaso madat natyajat tat-krte jajne sura-danava-vigrahah

yada
when
sah
he (Soma, the moon-god)
deva-guruna
by the spiritual master of the demigods, Brhaspati
yacitah
was begged
abhiksnasah
again and again
madat
because of false pride
na
not
atyajat
did deliver
tat-krte
because of this
jajne
there was
sura-danava
between the demigods and the demons
vigrahah
a fight.

Although requested again and again by Brhaspati, the spiritual master of the demigods, Soma did not return Tara. This was due to his false pride. Consequently, a fight ensued between the demigods and the demons.