One verse

Srimad Bhagavatam 3.12.42

3.12.42

सावित्रं प्राजापत्यं च ब्राह्मं चाथ बृहत्तथा । वार्तासञ्चयशालीनशिलोञ्छ इति वै गृहे ॥ ४२ ॥

savitram prajapatyam ca brahmam catha brhat tatha varta sancaya-salina- siloncha iti vai grhe

savitram
the thread ceremony of the twice-born
prajapatyam
to execute the vow for one year
ca
and
brahmam
acceptance of the Vedas
ca
and
atha
also
brhat
complete abstinence from sex life
tatha
then
varta
vocation in terms of Vedic sanction
sancaya
professional duty
salina
livelihood without asking anyone for cooperation
sila-unchah
picking up rejected grains
iti
thus
vai
even though
grhe
in household life

Then the thread ceremony for the twice-born was inaugurated, as were the rules to be followed for at least one year after acceptance of the Vedas, rules for observing complete abstinence from sex life, vocations in terms of Vedic injunctions, various professional duties in household life, and the method of maintaining a livelihood without anyone’s cooperation by picking up rejected grains.