I've posted this poem before, but I love it so I'm posting it again!
A fish cannot drown in water
by Mechthild of Magdeburg
A fish cannot drown in water,
A bird does not fall in air.
In the fire of creation,
God doesn't vanish:
The fire brightens.
Each creature God made
must live in its own true nature;
How could I resist my nature,
That lives for oneness with God? (English version by Jane Hirshfield
Original Language German)
http://www.poetry-chaikhana.com/Poets/M/MechthildofM/Afishcannotd/index.html