God is so vast that He exists in the infinity of the Universe. And at the same time it is He who exists within the tiniest of atoms. And if He can exist within the tiniest of atoms why cannot He exist within a human form and come down to earth as the avatar?
Je tis nazar na aaviye
Taan vaat na pucche koi
If thou hast not seen Him,
Of what worth art thou to anyone?