Atharvavedabrahmana 6.7

6.7

yastaddarśapūrṇamāsayorūpaṃ vidyāt kasmādimāḥ prajāḥ
śirastaḥ prathamaṃ lomaśā jāyante, vasmāda samaparamiva śmaśrūṇyupakakṣāṇvanyāni lomāni jāyante, yastaddarśapūrṇamāsayorūpaṃ vidyāt kasmādimāḥ prajāḥ śirastaḥ prathamaṃ palitābhavanti, kasmādantaḥ sarvā eva palitā bhavanti, yastaddarśapūrṇamāmayorūpaṃ vidyāt kasmādimāḥ prajā adantikā jāyante, kasmādāsāmaparamiva jāyante, yastaddarśapūrṇamāsayorūpaṃ vidyāt kasmādāsāṃ saptavarṣāṣṭavarṣāṇāṃ prabhidyante, kasmādāsāṃ punareva jāyante, kasmāddantaḥ sarva eva prabhidyante, yastaddarśapūrṇamāsayorūpaṃ vidyāt kasmādadhare dantāḥ pūrve jāyante, para uttare, yastaddarśapūrṇamāsayo rūpaṃ vidyāt kasmādadhare dantāḥ aṇīyāṃso hrasīyāṃsaḥ
pratheyāṃso varṣīyāṃsa uttare, yastaddarśapūrṇamāsayorūpaṃ vidyāt kasmādimau daṃṣṭro dīrghatarau, kasmātsame iva jambhe, (1) yastaddarśapūrṇamāsayorūpaṃ vidyāt kasmādime śrotre 'ntaḥ same iva dīrghe,
yastaddarśapūrṇamāsayorūpaṃ vidyāt kasmāt pumāṃsaḥ śmaśruvanto'śmaśruvaḥ
striyaḥ, yastaddarśapūrṇamāsayorūpaṃ vidyāt kasmādāsāṃ santatamiva
śarīraṃ bhavati, kasmādāsāmasthīni dṛr̤hatarāṇīva bhavanti, yastaddarśapūrṇamāsayorūpaṃ vidyāta kasmādāsāṃ prathame vayasi retaḥ siktaṃ
na sambhavati, kasmādāsāṃ madhyame vayasi retaḥ siktaṃ sambhavati, kasmādāsāmuttame vayasi retaḥ siktaṃ na sambhavati, yastaddarśapūrṇamāsayorūpaṃ vidyāt kasmādidaṃ śiśnamuccaśa eti nocīpadyate kasmānna
hradapānam