The burning of fire is light, growth of the flame, force of the hot flame, sparkling passion, flow with the wind, change as fire alters the form of what it's burning, and expression as it changes form and makes noice at it is alive. The burning of fire also symbolizes darkness because it is only through dark that we can see the light. If there was fire all around there would be no darkness to show you that fire is the light. We must burn the darkness for light to be seen, which is literal for finding the light in ourselves.