Meaning and context of this quote

“The soul is like a wind that waves over herbs, is like the dew that moistens the grass, is like the rainy air that makes things grow. In the same way, you should flow forth with gentleness to all who are in need.”

from Scivias — Hildegard of Bingen

This passage from Scivias reflects Hildegard of Bingen’s teaching on the soul.