Do not imagine that mathematics is hard and crabbed, and repulsive to common sense. It is merely the etherealization of common sense.
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Quoted in Life of Lord Kelvin (1910) by Silvanus Phillips ThompsonLord Kelvin
The Common Sense, is that which judges of things offered to it by the other senses. The ancient speculators have concluded that that part of man which constitutes his judgment is caused by a central organ to which the other five senses refer everything by means of impressibility; and to this centre they have given the name Common Sense. And they say that this Sense is situated in the centre of the head between Sensation and Memory. And this name of Common Sense is given to it solely because it is the common judge of all the other five senses i.e. Seeing, Hearing, Touch, Taste and Smell. This Common Sense is acted upon by means of Sensation which is placed as a medium between it and the senses. Sensation is acted upon by means of the images of things presented to it by the external instruments, that is to say the senses which are the medium between external things and Sensation. In the same way the senses are acted upon by objects. Surrounding things transmit their images to the senses and the senses transfer them to the Sensation. Sensation sends them to the Common Sense, and by it they are stamped upon the memory and are there more or less retained according to the importance or force of the impression.
Leonardo da Vinci
A simple idea blinds us, and under the cover of darkness, much happens that most of us would reject if any of us looked. So uncritically do we accept the idea of property in ideas that we don't even notice how monstrous it is to deny ideas to a people who are dying without them. So uncritically do we accept the idea of property in culture that we don't even question when the control of that property removes our ability, as a people, to develop our culture democratically. Blindness becomes our common sense. And the challenge for anyone who would reclaim the right to cultivate our culture is to find a way to make this common sense open its eyes.
So far, common sense sleeps. There is no revolt. Common sense does not yet see what there could be to revolt about.Lawrence Lessig
Our best theories are not only truer than common sense, they make more sense than common sense...
David Deutsch
Lord Caversham: No woman, plain or pretty, has any common sense at all, sir. Common sense is the privilege of our sex.
Lord Goring: Quite so. And we men are so self-sacrificing that we never use it, do we, father?Oscar Wilde
Kelvin, Lord
Kemble, Edwin C.
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