Even the most powerful human being has a limited sphere of strength. Draw him outside of that sphere and into your own, and his strength will dissipate.
Morihei Ueshiba
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Intellect is not sexed;... strength of mind is not sexed; and ... our views about the duties of men and the duties of women, the sphere of man and the sphere of woman, are mere arbitrary opinions, differing in different ages and countries, and dependent solely on the will and judgment of erring mortals.
Sarah Grimke
The bourgeois public sphere may be conceived above all as the sphere of private people come together as a public; they soon claimed the public sphere regulated from above against the public authorities themselves, to engage them in a debate over the general rules governing relations in the basically privatized but publicly relevant sphere of commodity exchange and social labor.
Jurgen Habermas‎
...the stereographic projection of the spherical surface. From the north pole P we draw radial lines to project every point of the surface of the sphere upon the horizontal plane [below, perpendicular to a line joining it to P and the sphere's center]. In general this transformation is unique and continuous , although the metrical relations are distorted; for the point P, however, it shows a singularity. Point P is mapped upon the infinite; i.e., no finitely located point of the plane corresponds to it. It can be shown that every transformation possesses a singularity in at least one point. The surface of the sphere is therefore called topologically different from the plane. Only a "sphere without a north pole" [point] would be topologically equivalent to a plane. ...such a sphere has a point-shaped hole without a boundary and is no longer a closed surface.
Hans Reichenbach
The deeper we look, the more we shall be convinced that the one thing wanting, which we must strive to acquire before all others, is strength — strength physical, strength mental, strength moral, but above all strength spiritual which is the one inexhaustible and imperishable source of all the others. If we have strength everything else will be added to us easily and naturally.
Sri Aurobindo
Correct and accurate conclusions may be arrived at if we carefully observe the relation of the spheres of concepts, and only conclude that one sphere is contained in a third sphere, when we have clearly seen that this first sphere is contained in a second, which in its turn is contained in the third. On the other hand, the art of sophistry lies in casting only a superficial glance at the relations of the spheres of the concepts, and then manipulating these relations to suit our purposes, generally in the following way: — When the sphere of an observed concept lies partly within that of another concept, and partly within a third altogether different sphere, we treat it as if it lay entirely within the one or the other, as may suit our purpose.
Arthur Schopenhauer
Ueshiba, Morihei
Uhland, Ludwig
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