You can place the sun in your heart. Indeed in some ways your heart may be thought of as the seed of a future sun. So the sun can find an easy home in your heart. All you need do is invite it and then open the door of your heart to welcome it in.
Then it begins to shine on your life. The light shines on all aspects of your life with equanimity. Everything evolves in this light of your inner sun.
The light of this inner sun illuminates inwardly also. Its heat melts the iron door that sealed in your divine self and releases its light. The light of the inner sun and the light of your divine self fuse and reveal the divine in all things.