A light source shines in all directions without being covered. As an example, the sun is ideal for radiating its light in all directions. It can only do this because it has this power of its own. A candle in our house or a lamp can shine in all directions, but not everywhere. They are blocked by themselves: the wick by the candle it carries, and the lamp by the socket it is plugged into. So anything that does not radiate completely from itself is obviously limited in at least one direction - that of the source. And so it is clear that there is dependence. We humans often think how independent we are. Especially we in the so-called enlightened West with all its high developments. But we often forget how dependent we really are. No oxygen or water - and we're finished. We are often not the light we think we are.
I wish you an extraordinary day!