One verse

Srimad Bhagavatam 12.2.34

12.2.34

दिव्याब्दानां सहस्रान्ते चतुर्थे तु पुन: कृतम् । भविष्यति तदा नृणां मन आत्मप्रकाशकम् ॥ ३४ ॥

divyābdānāṁ sahasrānte caturthe tu punaḥ kṛtam bhaviṣyati tadā nṝṇāṁ mana ātma-prakāśakam

divya
of the demigods
abdānām
years
sahasra
of one thousand
ante
at the end
caturthe
in the fourth age, Kali
tu
and
punaḥ
again
kṛtam
the Satya-yuga
bhaviṣyati
will be
tadā
then
nṝṇām
of men
manaḥ
the minds
ātma-prakāśakam
self-luminous

After the one thousand celestial years of Kali-yuga, the Satya-yuga will manifest again. At that time the minds of all men will become self-effulgent.