Common man has at long last got himself so far out of gear with nature and his environment that he is beginning to see the shape of extinction, whether he recognizes it as such or not.

But we [Americans] are as other men, exactly. Of one blood, one species, one brain, one figure, one fundamental set of collective instincts, one solitary body …

Ignorance is not bliss -- it is oblivion. Determined ignorance is the hastiest kind of oblivion.

Few men, indeed, are so mad that they do not know when they are doing wrong. But so avid is their pursuit of goods that wrongdoing has become an element of all…

'We lived in places that we never knew. We could not name the birds perched on our sill, Or see the trees we cut down for our view. What we possessed we always…

We're terrible animals. I think that the Earth's immune system is trying to get rid of us, as well it should.

The dust we tread upon was once alive.