One verse

Srimad Bhagavatam 11.17.26

11.17.26

अग्‍न्यर्काचार्यगोविप्रगुरुवृद्धसुराञ्शुचि: । समाहित उपासीत सन्ध्ये द्वे यतवाग् जपन् ॥ २६ ॥

agny-arkācārya-go-vipra- guru-vṛddha-surāñ śuciḥ samāhita upāsīta sandhye dve yata-vāg japan

agni
the fire-god
arka
the sun
ācārya
the ācārya
go
the cows
vipra
the brāhmaṇas
guru
the spiritual master
vṛddha
elder respectable persons
surān
the demigods
śuciḥ
purified
samāhitaḥ
with fixed consciousness
upāsīta
he should worship
sandhye
in the junctions of time
dve
two
yata-vāk
observing silence
japan
silently chanting or murmuring the proper mantras.

Purified and fixed in consciousness, the brahmacārī should worship the fire-god, sun, ācārya, cows, brāhmaṇas, guru, elderly respectable persons and demigods. He should perform such worship at sunrise and sunset, without speaking but by silently chanting or murmuring the appropriate mantras.