VasDhS, 6, 5.2 dve 'py akṣare samyag adhīyamāne punāti tad brahma yathā iṣe 'bdāḥ //

VasDhS, 10, 5.1 ekākṣaraṃ paraṃ brahma prāṇāyāmāḥ paraṃ tapaḥ /

VasDhS, 13, 46.1 pratyabhivādam āmantrite svaro 'ntyaḥ plavate sandhyakṣaram apragṛhyam āyāvabhāvaṃ cāpadyate yathā bho bhāv iti //

VasDhS, 25, 11.1 ekākṣaraṃ paraṃ brahma pāvanaṃ paramaṃ smṛtam //