BG 10.42
अथवा बहुनैतेन किं ज्ञातेन तवार्जुन। विष्टभ्याहमिदं कृत्स्नमेकांशेन स्थितो जगत्
atha vā bahunaitena kiṁ jñātena tavārjuna viṣhṭabhyāham idaṁ kṛitsnam ekānśhena sthito jagat
But what is the use of all these details to you, O Arjuna? I sustain this universe with only a small part of Myself.
Translated by Shri Purohit Swami
But, of what avail is the knowledge of all these details to you, O Arjuna? I exist, supporting this whole world with one part of Myself.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
athavā—or; bahunā—detailed; etena—by this; kim—what; jñātena tava—can be known by you; arjuna—Arjun; viṣhṭabhya—pervade and support; aham—I; idam—this; kṛitsnam—entire; eka—by one; anśhena—fraction; sthitaḥ—am situated; jagat—creation