One verse

Bhagavad Gita 2.69

2.69

या निशा सर्वभूतानां तस्यां जागर्ति संयमी | यस्यां जाग्रति भूतानि सा निशा पश्यतो मुनेः ||२-६९||

yā niśā sarvabhūtānāṃ tasyāṃ jāgarti saṃyamī . yasyāṃ jāgrati bhūtāni sā niśā paśyato muneḥ ||2-69||

yā
what
niśā
is night
sarva
all
bhūtānām
of living entities
tasyām
in that
jāgarti
is wakeful
saṁyamī
the self-controlled
yasyām
in which
jāgrati
are awake
bhūtāni
all beings
sā
that is
niśā
night
paśyataḥ
for the introspective
muneḥ
sage

What is night for all beings is the time of awakening for the self-controlled; and the time of awakening for all beings is night for the introspective sage.