Bhagavad Gita: Chapter 10/Verse 15

स्वयमेवात्मनात्मानं वेत्थ त्वं पुरुषोत्तम ।

भूतभावन भूतेश देवदेव जगत्पते ॥१०- १५॥

svayamevātmanātmānaṃ vettha tvaṃ puruṣottama ।

bhūtabhāvana bhūteśa devadeva jagatpate ॥10- 15॥

Supreme Spirit, Creator of Beings, Lord of Beings, God of Gods, [and] Lord of the Universe, indeed, you know your own self through your self.


svayam (adverb) (indeclinable) = oneself 

eva (adverb) (indeclinable) = indeed 

ātmanā (masculine, instrumental, singular) = by the self 

ātmānam (masculine, accusative, singular) = the self

vettha (present tense, 2nd person, singular) = you know

tvam (masculine, nominative, singular) = you

puruṣottama (puruṣa + uttama) (masculine, vocative, singular) = Supreme Spirit

bhūtabhāvana (bhūta + bhāvana) (masculine, vocative, singular) = Creator of Beings 

bhūteśa (masculine, vocative, singular) = Lord of Beings 

devadeva (deva + deva) (masculine, vocative, singular) =God of Gods 

jagatpate (jagat + pate) (masculine, vocative, singular) = Lord of the Universe