The only thing that can save us as a species is seeing how we're not thinking about future generations in the way we live.

He who is without a newspaper is cut off from his species.

Take care, be kind, be considerate of other people and other species, and be loving.

Globalization is very destructive to our species.

For the female of the species is more deadly than the male.

What we are doing to the future of our children, and the other species on the planet, is a clear moral issue.

I believe in reincarnation. In my last life I was a peasant. Next time around, I'd like to be an eagle. Who hasn't dreamed they could fly? They're a protected species, too.

What is a fish without a river? What is a bird without a tree to nest in? What is an Endangered Species Act without any enforcement mechanism to ensure their habitat is protected? It is nothing.

Human freedom is not an illusion; it is an objective phenomenon, distinct from all other biological conditions and found in only one species - us.

A human being would certainly not grow to be seventy or eighty years old if this longevity had no meaning for the species. The afternoon of human life must also have a significance of its own and cannot be merely a pitiful appendage to life's morning.

Let us beware of saying that death is the opposite of life. The living being is only a species of the dead, and a very rare species.

It is thus necessary to examine all things according to their essence, to infer from every species such true and well established propositions as may assist us in the solution of metaphysical problems.

We live in a world bathed in 5,000 times more energy than we consume as a species in the year, in the form of solar energy. It's just not in usable form yet.

The only way we can reduce the number of these endangered species is to improve and provide additional habitat where they can live and reproduce.

The snow leopard is absolutely magnificent. It represents really what endangered species are all about.

Hope is itself a species of happiness, and, perhaps, the chief happiness, which this world affords.

If you want to see an endangered species, get up and look in the mirror.

The one process now going on that will take millions of years to correct is the loss of genetic and species diversity by the destruction of natural habitats. This is the folly our descendants are least likely to forgive us.

Agriculture changes the landscape more than anything else we do. It alters the composition of species. We don't realize it when we sit down to eat, but that is our most profound engagement with the rest of nature.

Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.