One verse

Srimad Bhagavatam 12.3.27

12.3.27

प्रभवन्ति यदा सत्त्वे मनोबुद्धीन्द्रियाणि च । तदा कृतयुगं विद्याज्ज्ञाने तपसि यद् रुचि: ॥ २७ ॥

prabhavanti yadā sattve mano-buddhīndriyāṇi ca tadā kṛta-yugaṁ vidyāj jñāne tapasi yad ruciḥ

prabhavanti
they are predominantly manifest
yadā
when
sattve
in the mode of goodness
manaḥ
the mind
buddhi
intelligence
indriyāṇi
senses
ca
and
tadā
then
kṛta-yugam
the age of Kṛta
vidyāt
should be understood
jñāne
in knowledge
tapasi
and austerity
yat
when
ruciḥ
pleasure

When the mind, intelligence and senses are solidly fixed in the mode of goodness, that time should be understood as Satya-yuga, the age of truth. People then take pleasure in knowledge and austerity.