One verse

Srimad Bhagavatam 3.27.27

3.27.27

यदैवमध्यात्मरत: कालेन बहुजन्मना । सर्वत्र जातवैराग्य आब्रह्मभुवनान्मुनि: ॥ २७ ॥

yadaivam adhyatma-ratah kalena bahu-janmana sarvatra jata-vairagya abrahma-bhuvanan munih

yada
when
evam
thus
adhyatma-ratah
engaged in self-realization
kalena
for many years
bahu-janmana
for many births
sarvatra
everywhere
jata-vairagyah
detachment is born
a-brahma-bhuvanat
up to Brahmaloka
munih
a thoughtful person.

When a person thus engages in devotional service and self-realization for many, many years and births, he becomes completely reluctant to enjoy any one of the material planes, even up to the highest plane, which is known as Brahmaloka; he becomes fully developed in consciousness.