"ओँ तत्सत्" मन्त्र माहात्म्यम्The greatness of the mantra oṁ tat sat
Verse 156
किमन्यैर्बहुभिर्मन्त्रैः किमन्यैर्भूरिसाधनैः । ब्राह्म्येणानेन मन्त्रेण सर्वकर्माणि साधयेत् ॥ १५६ ॥
kimanyairbahubhirmantraiḥ kimanyairbhūrisādhanaiḥ | brāhmyēṇānēna mantrēṇa sarvakarmāṇi sādhayēt || 156 ||
Translation
What need of many other mantras? What need of other abundant means? With this mantra of Brahman he should accomplish all acts.
Word by word
- kim
- what need
- anyair
- (anyaiḥ) of other
- bahubhir
- (bahubhiḥ) many
- mantraiḥ
- mantras
- bhūri
- abundant
- sādhanaiḥ
- means
- brāhmyēṇa
- of Brahman
- anēna
- (anena) this
- mantrēṇa
- with the mantra
- sarva
- all
- karmāṇi
- acts
- sādhayēt
- he should accomplish
Meaning
The word "brāhmya" ties the mantra back to the Brahman teaching. The rhetorical questions set this one mantra against the elaborate means of the earlier chapters.

Commentary
Hariharānanda Bhāratī’s Sanskrit commentary, translated
See the commentary on verse 154.