Feet Quote by Pierre Teilhard de Chardin

Rocks crumble, make new forms, oceans move the continents, mountains rise up and down like ghosts yet all is natural, all is change.

— Anne Sexton

We have altered the physical, chemical and biological properties of the planet on a geological scale. We have left no part of the globe…

— David Suzuki

Soon my companions were lost to my sight behind the mountain ridge in my rear, which still seemed ever retreating before me, and I…

— Henry David Thoreau

Mountains aren't eternal: even the most imposing massifs are smoothed away by weathering in a few hundred million years or less. Plate tectonics makes…

— Seth Shostak

Unfortunately, we haven't found many very old rocks on Earth because our planet's surface is constantly renewed by plate tectonics, coupled with erosion.

— Robert Duncan

We are headed to a radically new Earth, at least from our perspective. But from the planet's perspective, this is nothing new. As the…

— Annalee Newitz

Ninety-nine and nine-tenths of the earth’s volume must forever remain invisible and untouchable. Because more than 97 per cent of it is too hot…

— Reginald Aldworth Daly

The Earth is big. There are huge natural forces that have worked over geological time. But it turns out, when you look carefully at…

— Elizabeth Kolbert

What once sprung from the earth sinks back into the earth.

— Lucretius

Thus, human beings are now carrying out a large scale geophysical experiment of the kind that could not have happened in the past...Within a…

— Roger Revelle

“This is the yin and yang of the earth, an energetic feedback. What happens below relates directly to what is happening on the surface…

— Craig Childs