Would it be too bold to imagine that, in the great length of time since the earth began to exist, perhaps millions of ages before the commencement of the history of mankind would it be too bold to imagine that all warm-blooded animals have arisen from one living filament, which the great First Cause endued with animality, with the power of acquiring new parts, attended with new propensities, directed by irritations, sensations, volitions and associations, and thus possessing the faculty of continuing to improve by its own inherent activity, and of delivering down these improvements by generation to its posterity, world without end!
--
Zoönomia, vol. 1 (1794).Erasmus Darwin
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A child now entering first grade has never known a world without the Web; I want you, just for a moment, to try to imagine a world without the telephone, without electricity. It’s difficult to do, because both of these technologies are entirely commonplace, woven into the fabric of our culture so intensely it becomes nearly impossible to imagine a time before they existed. As electricity is for us, the Web will be for our children; an invisible field of knowledge that surrounds them, and infuses the entire world with instant answers to their requests. Within a generation, it won’t be important how much you can remember; that will have been replaced by how agile you are at acquiring the facts you need.
Mark Pesce
Imagine what would happen if the nations of the world spent as much on development as on building the machines of war. Imagine a world where every human being would live in freedom and dignity. Imagine a world in which we would shed the same tears when a child dies in Darfur or Vancouver. Imagine a world where we would settle our differences through diplomacy and dialogue and not through bombs or bullets. Imagine if the only nuclear weapons remaining were the relics in our museums. Imagine the legacy we could leave to our children.
Imagine that such a world is within our grasp.Mohamed ElBaradei
The new government will have three major improvements. It is time to improve the economy in Taiwan. (Speech to the World Federation of Taiwanese Associations, March 17, 2002)
Chen Shui-bian
And as she lookt about, she did behold,
How over that same dore was likewise writ,
Be bold, be bold, and every where Be bold,
That much she muz'd, yet could not construe it
By any ridling skill, or commune wit.
At last she spyde at that same roomes upper end,
Another yron dore, on which was writ,
Be not too bold.Edmund Spenser
Some forms of Kantianism put great weight on “what we can imagine” holding that this can be a source of insight into necessary connections. Thus various of Kant’s arguments about space and time depend on the purported fact that it is impossible for us to imagine certain things: we can know, Kant claims, a priori that space has only three dimensions because we cannot imagine it as having more than three dimensions. History in the form of non-Euclidean geometry and modern physics has put paid to that particular line of argument, but in general we should beware of depending too much on “What we can imagine?,” especially in politics. As Nietzsche puts it somewhere, sometimes the fact that you can’t imagine a situation in which things are very different from the way they are now is not an especially good argument for the claim that they must be as they now are, but, rather, represents a failure of your powers about which you should feel mildly apologetic.
Raymond Geuss
Darwin, Erasmus
Darwin, Charles
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