PURPORT

The word vibhramah is significant. Vibhramah means illusion as well as beauty. When a cloud rests on the peak of a great mountain, it appears to be sustained by the mountain, and at the same time it looks very beautiful. Similarly, the Lord has no need to sustain the earth on His tusks, but when He does so the world becomes beautiful, just as the Lord becomes more beautiful because of His pure devotees on the earth. Although the Lord is the transcendental personification of the Vedic hymns, He has become more beautiful because of His appearance to sustain the earth.