by Leslie Cox; Sunday; February 18, 2018

We think that diamonds are very important, gold is very important,
all these minerals are very important.
We call them precious minerals, but they are all forms of the soil.
But that part of this mineral that is on top, like it is the skin of the earth,
that is the most precious of the commons.

~ Wangari Maathai (1940–2011)
Dirt! The Movie, 2009