how deeply human beings have penetrated into all the ecosystems that we visited and to look at the relationship between human use of their habitat and their well-being.

Degradation is a continuum, ... In virtually every ecosystem we visited, humans have colonized the landscape. Very few places are wild. The places to find wildlife are in protected areas. This is a good indicator of how deeply human species has penetrated the continent.

Play the role as a human being... human beings are three-dimensional.

These are human beings; that's kind of a biologically indisputable fact.

When it comes to the pinch, human beings are heroic.

Human beings have always been mythmakers.