Because Quote by Walter Lang

We are much too much inclined in these days to divide people into permanent categories, forgetting that a category only exists for its special…

— Dorothy L. Sayers

Even while a thing is in the act of coming into existence, some part of it has already ceased to be.

— Marcus Aurelius

But, when Scripture makes a clear distinction between the act of creation and the process of preservation, we cannot accept the idea of a…

— Walter Lang

One thing is made of another, and nature allows no new creation except at the price of death.

— Lucretius

Every way of classifying a thing is but a way of handling it for some particular purpose.

— William James

What we've inherited from our ancestors has never existed to this extent before. And if we fail to preserve it, it will never, ever…

— Donald Trump

The ends of scientific classification are best answered, when the objects are formed into groups respecting which a greater number of general propositions can…

— John Stuart Mill

It is the preservation of the species, not of individuals, which appears to be the design of Deity throughout the whole of nature.

— Mary Wollstonecraft

Extinction has only separated groups: it has by no means made them; for if every form which has ever lived on this earth were…

— Charles Darwin

“It seems a shame that less than 1 percent of all the species that ever lived survive today and that only about 5 percent…

— Stephen J. O'Brien

For thousands of years it has been understood that, just as civilizations have to come to an end, there can even be times of…

— Peter Kingsley

We must recognize that the attempt to set forth the temporal course commonly referred to as the "evolution of mankind" is merely an attempt…

— Jean Gebser