ययोर्जन्मन्यदो विश्वम् अभ्यनन्दत्सुनिर्वृतम् ।
मनांसि ककुभो वाताः प्रसेदुः सरितो ऽद्रयः ॥ ५३ ॥
yayoh-both of whom (Nara and Narayana); janmani-on the appearance; adah-that; visvam-universe; abhyanandat-became glad; sunirvrtam-full of joy; manamsi-everyone's mind; kakubhah-the directions; vatah-the air; praseduh-became pleasant; saritah-the rivers; adrayah-the mountains.
On the occasion of the appearance of Nara-Narayana, the entire world was full of joy. Everyone's mind became tranquil, and thus in all directions the air, the rivers and the mountains became pleasant.