And what of Nature itself, you say – that callous and cruel engine, red in tooth and fang? Well, it

And what of Nature itself, you say – that callous and cruel engine, red in tooth and fang? Well, it is not so much of an engine as you think. As for "red in tooth and fang," whenever I hear the phrase or its intellectual echoes I know that some passer-by has been getting life from books.
----Henry Beston, The Outermost House: A Year of Life On The Great Beach of Cape Cod