It is very difficult to differentiate rays from light and light from rays. It depends on our understanding. In the rays light is more separate, more distinct, while light itself is more collected, more together. But at the same time we should remember that the truth cannot be put into words; all we can do is to make an effort to render the mystery of life intelligible to our minds. The distinction between light and sun and rays is most useful, but it must be understood by the light of intuition; then it will become clear.