These lines indicate the ability to see hidden sources of illness and evil.

The small but deep pool bubbled up from its hidden source.

Here was music from some hidden source, there were paintings upon the walls and.

Light fell on it from a hidden source, providing perfect illumination.

The only nourishment he knew was grief, endless in its hidden source.

A lot of this money is coming from a hidden source.

Certainly it was unlike the surface, though there was enough light from hidden sources.

But from some hidden source, he managed to gather enough strength to answer.

Now that it was all over, he felt as if a hidden source of strength had been released in him.

- For me just here is a real hidden source of poetry, rather than in stories about the activities or events.