Letter to John Adams (7 November 1819) http://oll.libertyfund.org/Home3/HTML.php?recordID=0054.12#hd_lf054-12_head_057 ME 15:224 : The Writings of Thomas Jefferson "Memorial Edition" (20 Vols., 1903-04) edited by Andrew A. Lipscomb and Albert Ellery Bergh, Vol. 15, p. 224
1810s
“The body is our general medium for having a world.”
Source: Phenomenology of Perception
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Maurice Merleau-Ponty 24
French phenomenological philosopher 1908–1961Related quotes
"Publisher's Statement", in the first issue of National Review (19 November 1955).
Context: Radical conservatives in this country have an interesting time of it, for when they are not being suppressed or mutilated by Liberals, they are being ignored or humiliated by a great many of those of the well-fed Right, whose ignorance and amorality have never been exaggerated for the same reason that one cannot exaggerate infinity.
There are, thank Heaven, the exceptions. There are those of generous impulse and a sincere desire to encourage a responsible dissent from the Liberal orthodoxy. And there are those who recognize that when all is said and done, the market place depends for a license to operate freely on the men who issue licenses — on the politicians. They recognize, therefore, that efficient getting and spending is itself impossible except in an atmosphere that encourages efficient getting and spending. And back of all political institutions there are moral and philosophical concepts, implicit or defined. Our political economy and our high-energy industry run on large, general principles, on ideas — not by day-to-day guess work, expedients and improvisations. Ideas have to go into exchange to become or remain operative; and the medium of such exchange is the printed word.
Mathematical Methods in Science (1977)
Context: Life is full of surprises: our approximate condition for the fall of a body through a resisting medium is precisely analogous to the exact condition for the flow of an electric current through a resisting wire [of an induction coil]....
m\frac {dv}{dt} = mg - Kv
This is the form most convenient for making an analogy with the "fall", i. e., flow, of an electric current.
... in order from left to right, mass m, rate of change of velocity \frac {dv}{dt}, gravitational force mg, and velocity v. What are the electrical counterparts?... To press the switch, to allow current to start flowing is the analogue of opening the fingers, to allow the body to start falling. The fall of the body is caused by the force mg due to gravity; the flow of the current is caused by the electromotive force or tension E due to the battery. The falling body has to overcome the frictional resistance of the air; the flowing current has to overcome the electrical resistance of the wire. Air resistance is proportional to the body's velocity v; electrical resistance is proportional to the current i. And consequently rate of change of velocity \frac {dv}{dt} corresponds to rate of change of current \frac {di}{dt}.... The electromagnetic induction L opposes the change of current... And doesn't the inertia or mass m..? Isn't L, so to speak, an electromagnetic inertia?
L\frac {di}{dt} = E - Ki
Query 21
Opticks (1704)
Source: 1940s, Beyond the Aesthetics' (1946), pp. 38-39
5 - 6
Auxiliaries to the Perception of Intelligible Natures
Context: Soul, indeed, is a certain medium between an impartible essence, and an essence which is divisible about bodies. But intellect is an impartible essence alone. And qualities and material forms are divisible about bodies.
Not everything which acts on another, effects that which it does effect by approximation and contact; but those natures which effect any thing by approximation and contact, use approximation accidentally.
Query 18
Opticks (1704)