One verse

Srimad Bhagavatam 10.87.9

10.87.9

श्रीभगवानुवाच स्वायम्भुव ब्रह्मसत्रं जनलोकेऽभवत् पुरा । तत्रस्थानां मानसानां मुनीनामूर्ध्वरेतसाम् ॥ ९ ॥

śrī-bhagavān uvāca svāyambhuva brahma-satraṁ jana-loke ’bhavat purā tatra-sthānāṁ mānasānāṁ munīnām ūrdhva-retasām

śrī-bhagavān uvāca
the Supreme Lord said
svāyambhuva
O son of self-born Brahmā
brahma
performed by the utterance of transcendental sound
satram
a sacrifice
jana-loke
on the planet Janaloka
abhavat
occurred
purā
in the past
tatra
there
sthānām
among those who resided
mānasānām
born from the mind (of Brahmā)
munīnām
sages
ūrdhva
(flowing) upward
retasām
whose semen

The Personality of Godhead said: O son of self-born Brahmā, once long ago on Janaloka, wise sages who resided there performed a great sacrifice to the Absolute Truth by vibrating transcendental sounds. These sages, mental sons of Brahmā, were all perfect celibates.