गायत्री वा ईदं सर्वं भूतं यदिदं किं च वाग्वै गायत्री वाग्वा इदं सर्वं भूतं गायति च त्रायते च ॥ ३.१२.१ ॥
In plain words
The Gāyatrī is all this, whatever exists here. Speech is the Gāyatrī, and speech sings of and protects all this that exists.
गायत्री वा ईदं सर्वं भूतं यदिदं किं च वाग्वै गायत्री वाग्वा इदं सर्वं भूतं गायति च त्रायते च ॥ ३.१२.१ ॥
The Gāyatrī is all this, whatever exists here. Speech is the Gāyatrī, and speech sings of and protects all this that exists.