4:35  

यज्ज्ञात्वा न पुनर्मोहमेवं यास्यसि पाण्डव ।
येन भूतान्यशेषेण द्रक्ष्यस्यात्मन्यथो मयि ॥४-३५॥

yajdnyaatwaa na punarmohamewaM yaasyasi paaNDawa ।

Source: Automatic ITRANS Transliteration

By understanding this, never again will temptation torment, O son of Pandu.
By this, you see beings, in their entirety, in self, thus in Me.

An understanding of this will prevent temptation from ever tormenting [you], O son of Pandu. This understanding allows you to see beings in their entirety, in yourself, and thereby in Me.

Source: Milind S. Pandit

Knowing that, O Arjuna, you shall not again get deluded like this. By this knowledge you shall behold the entire creation in your own Self/Lord, or in Brahman. (See also 6.29)

Source: The Bhagavad-Gita: The Sacred Song

And when you have thus learned the truth, you will know that all living beings are but part of Me--and that they are in Me, and are Mine.

Source: Bhagavad Gita As It Is