Śatapatha Brāhmaṇa ("of a hundred paths") 3.9.4.8

3.9.4.8

tamabhimimīte | ghnanti vā enametadyadabhiṣuṇvanti tametena ghnanti tathāta udeti tathā saṃjīvati yadveva mimīte tasmānmātrā manuṣyeṣu mātro yo cāpyanyā mātrā

Thereon he metes out (the Soma). For in pressing him they slay him, they slay him by means of that (stone); thus he rises from hence, thus he lives. And because he metes him out, therefore there is a measure,--both the measure among men, and what other measure there is.