Charak Samhita
हितं जनपदानां च शिवानामुपसेवनम्। सेवनं ब्रह्मचर्यस्य तथैव ब्रह्मचारिणाम् ॥१६॥
prophylactic protection of oneself and seeking one’s own good, residing in a wholesome country, service to those observing brahmacharya (celibacy) and following it,
english translation
hitaM janapadAnAM ca zivAnAmupasevanam। sevanaM brahmacaryasya tathaiva brahmacAriNAm ॥16॥
hk transliteration by Sanscript