Hiranyakeshigrihyasutra 1.1.4.13

1.1.4.13

ācāntamupasparśayitvābhimantrayate \ śataminnu śarado anti devā yatrā naścakrā jarasaṃ tanūnām \ putrāso yatra pitaro bhavanti mā no madhyā rīriṣatāyurgantoḥ \ iti \13\ \\4\\

After (the boy) has sipped water, (the teacher) causes him to touch (water) and recites over him (the verse), 'A hundred autumns are before us, O gods, before ye have made our bodies decay, before (our) sons have become fathers; do not destroy us before we have reached (our due) age.'
End of the First Patala.