Verse 27

मेरुश्रृङ्गशिखारत्नकृतवातायनस्थितः ।एकदा चिन्तयामास स्वयं संसारसंस्थितिम्

In plain words

Seated once at a window built of jewels on the crest of Meru's peak, he pondered, on his own, the condition of saṃsāra: