Shatapatha Brahmana 8.7.4.11

8.7.4.11

sahasrasya pramāsi | sahasrasya pratimāsi sahasrasyonmāsi sāhasro 'si sahasrāya tveti sarvaṃ vai sahasraṃ sarvamasi sarvasmai tvetyetat

[He scatters, with, Vâg. S. XV, 65], 'The fore-measure of a thousand thou art,--The counter-measure of a thousand thou art,--The up-measure of a thousand thou art,--The thousandfold thou art,--For a thousand thee!'--a thousand, doubtless, means everything: thus, 'Everything thou art,--thee for everything!'