A Quote by Carl Sagan

What does it mean for a civilisation to be a million years old? We have had radio telescopes and spaceships for a few decades; our technical civilisation is a few hundred years old ... an advanced civilisation millions of years old is as much beyond us as we are beyond a bushbaby or a macaque
Our use of the phrase 'The Dark Ages' to cover the period from 600 to 1000 marks our undue concentration on Western Europe. [...] From India to Spain, the brilliant civilisation of Islam flourished. What was lost to Christendom at this time was not lost to civilisation, but quite the contrary. [...] To us it seems that West-European civilisation is civilisation, but this is a narrow view.
During the civilisation and development process of more than 5,000 years, the Chinese nation has made an indelible contribution to the civilisation and advancement of mankind.
There is a steady check in an old civilisation upon the fertility of the abler classes: the improvident and unambitious are those who chiefly keep up the breed. So the race gradually deteriorates, becoming in each successive generation less fit for a high civilisation.
I think that our civilisation is very much a visual civilisation - television and videos and all this.
We might expect intelligent life and technological communities to have emerged in the universe billions of years ago. Given that human society is only a few thousand years old, and that human technological society is mere centuries old, the nature of a community with millions or even billions of years of technological and social progress cannot even be imagined. ... What would we make of a billion-year-old technological community?
We were a Western civilisation, an English speaking civilisation, both NZ and Australia, and we had all these influences coming from both Great Britain and America to us; sending us their culture in the shape and form of movies and television.
The direction of society has been taken over by a type of man who is not interested in the principles of civilisation. Not of this or that civilisation but from what we can judge today of any civilisation. The type of man dominant today is a primitive one, a Naturmensch rising up in the midst of a civilised world.
I got into politics when I was eight years old. Six years now. And I got involved because I started listening to talk radio. It goes back to one event. The Democrats filibustered something in the Senate when I was eight years old. I don't remember what it was on and I didn't honestly care when I was eight years old. I cared about the history and the Senate rules.
The Iraqis have a country that inherited cultures thousands of years old while the Americans have a culture only two hundred years old. Two hundred years will teach thousands of years!? Oh Americans, leave Iraq for its people.
Civilisation is never so charming as when it is an island in the middle of simplicity, or of a civilisation of an alien kind.
The mediocre mind has no capacity for understanding. It is stuck somewhere near thirteen years in its mental age, or even below it. The person may be forty, fifty, seventy years old - that does not matter, that is the physical age. He has been growing old, but he has not been growing up. You should note the distinction. Growing old, every animal does. Growing up, only a few human beings manage.
It's humbling to realise that the developmental gulf between a miniscule ant colony and our modern human civilisation is only a tiny fraction of the distance between a Type 0 and a Type III civilisation - a factor of 100 billion billion, in fact. Yet we have such a highly regarded view of ourselves, we believe a Type III civilisation would find us irresistible and would rush to make contact with us. The truth is, however, they may be as interested in communicating with humans as we are keen to communicate with ants.
We live in the Age of the Higher Brain, the cerebral cortex that has grown enormously over the last few millennia, overshadowing the ancient, instinctive lower brain. The cortex is often called the new brain, yet the old brain held sway in humans for millions of years, as it does today in most living things. The old brain can't conjure up ideas or read. But it does possess the power to feel and, above all, to be. It was the old brain that caused our forebears to sense the closeness of a mysterious presence everywhere in Nature.
I constantly work with material that could be two years old, five years old, ten years old, as well as new things.
Markets are as old as the crossroads. But capitalism, as we know it, is only a few hundred years old, enabled by cooperative arrangements and technologies, such as the joint-stock ownership company, shared liability insurance, double-entry bookkeeping.
It wasn't until a few years ago, when I was going through old Facebook pictures with a friend, and happened upon a photo of a monkey at a zoo that had been tagged as me by an old housemate, that I realized I'd normalized so much racism.
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