BG 4.31b
नायं लोकोऽस्त्ययज्ञस्य कुतोऽन्यः कुरुसत्तम ॥
nāyaṁ loko ’sty ayajñasya kuto ’nyaḥ kuru-sattama
Word-for-word meanings
kuru-sat-tama — O best among the Kurus; ayam — [even] this; lokaḥ — [human] world [of meager pleasure]; na asti — is inaccessible; ayajñasya — [for] one who does not perform yajña; kutaḥ — what to speak of; anyaḥ — the other [the heavenly world of celestial pleasure].
Translation
O best of the Kurus, even this human world of meager pleasure is inaccessible for one who does not perform yajña, what to speak of the other heavenly world of celestial pleasure.