ciram dhyatva sa atma-bhuh
evam-in this way; etesu bhedesu-between these boys, who were existing separately; ciram-for a long time; dhyatva-after thinking; sah-he; atma-bhuh-Lord Brahma; satyah-real; ke-who; katare-who; na-are not; iti-thus; jnatum-to understand; na-not; iste-was able; kathancana-in any way at all.