A Quote by Asa Gray

Why is it not just as likely that there were as many small general nearly at first as now, and as great a disproportion in the number of their species? — © Asa Gray
Why is it not just as likely that there were as many small general nearly at first as now, and as great a disproportion in the number of their species?
At the beginning of the 20th century, before the migration began, 90 percent of all African-Americans were living in the South. By the end of the Great Migration, nearly half of them were living outside the South in the great cities of the North and West. So when this migration began, you had a really small number of people who were living in the North and they were surviving as porters or domestics or preachers - some had risen to levels of professional jobs - but they were, in some ways, protected because they were so small.
There are so many ways to characterize evolutionary success. If one criterion is the number of millions of years that the species persists, we're still just infants. We're way too young of a species to tell if we were a creative fluke or if we have any staying power.
I accept extinction as best explaining disjoined species. I see that the same cause must have reduced many species of great range to small, and that it may have reduced large genera to so small, and of families.
Survivor species tend to have huge populations, so they can afford to lose many individuals and still survive as a species. They also tend to be small. If you're small, you need less food - which is great in a situation where famine is everywhere.
There are more stars than there are people. Billions, Alan had said, and millions of them might have planets just as good as ours. Ever since I can remember, I’ve felt too big. But now I felt small. Too small. Too small to count. Every star is massive, but there are so many of them. How could anyone care about one star when there were so many spare? And what if stars were small? What if all the stars were just pixels? And earth was less than a pixel? What does that make us? And what does that make me? Not even dust. I felt tiny. For the first time in my life I felt too small.
It's very interesting to think about the distinction with mind, which I just made in very general terms, but it can be made more profound when we think that there are many species, many creatures on earth that are very likely to have a mind, but are very unlikely to have a consciousness in the sense that you and I have.
Of what use are the great number of petrifactions, of different species, shape and form which are dug up by naturalists? Perhaps the collection of such specimens is sheer vanity and inquisitiveness. I do not presume to say; but we find in our mountains the rarest animals, shells, mussels, and corals embalmed in stone, as it were, living specimens of which are now being sought in vain throughout Europe. These stones alone whisper in the midst of general silence.
For millions of years, this world has been a great gift to nearly everything living on it, a planet whose atmosphere, temperature, air, water, seasons, and weather were precisely calibrated to allow us - the big us, including forests and oceans, species large and small - to flourish.
This great increase of the quantity of work which, in consequence of the division of labour, the same number of people are capable of performing, is owing to three different circumstances; first, to the increase of dexterity in every particular workman; secondly, to the saving of the time which is commonly lost in passing from one species of work to another; and lastly, to the invention of a great number of machines which facilitate and abridge labour, and enable one man to do the work of many.
Now when you cut a forest, an ancient forest in particular, you are not just removing a lot of big trees and a few birds fluttering around in the canopy. You are drastically imperiling a vast array of species within a few square miles of you. The number of these species may go to tens of thousands. Many of them are still unknown to science, and science has not yet discovered the key role undoubtedly played in the maintenance of that ecosystem, as in the case of fungi, microorganisms, and many of the insects.
We are the most focused company that I know of or have read of or have any knowledge of. We say no to good ideas every day. We say no to great ideas in order to keep the amount of things we focus on very small in number so that we can put enormous energy behind the ones we do choose.....It's not just saying yes to the right products, it's saying no to many products that are good ideas, but just not nearly as good as the other ones.
There are about 250,000 different species of fossil plants and animals known . . In spite of this large quantity of information, it is but a tiny fraction of the diversity that [according to the theory] actually lived in the past. There are well over a million species living today and . . [it is] possible to predict how many species ought to be in our fossil record. That number is at least 100 times the number we have found.
For of those [cities] that were great in earlier times, most of them have now become small, while those which were great in my time were small formerly.
The simplicity of nature is not to be measured by that of our conceptions. Infinitely varied in its effects, nature is simple only in its causes, and its economy consists in producing a great number of phenomena, often very complicated, by means of a small number of general laws.
In the [first] fifteen years [of field work] I can remember just ten times when I had really narrow escapes from death. Two were from drowning in typhoons, one was when our boat was charged by a wounded whale; once my wife and I were nearly eaten by wild dogs, once we were in great danger from fanatical lama priests; two were close calls when I fell over cliffs, once I was nearly caught by a huge python, and twice I might have been killed by bandits.
A great director, first, is highly intelligent. And he is also a dedicated and willing to work hard. Now those are easy things to identify. The third is the creativity, and that is very difficult to identify in advance. This is why so many of the directors who have started with me were my assistant - the first one was Francis Ford Coppola.
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