100 Years of Mathematics: a Personal Viewpoint (1981)
“In the same way as philosophy loses sight of its true object and appropriate matter, when either it passes into and merges in theology, or meddles with external politics, so also does it mar its proper form when it attempts to mimic the rigorous method of mathematics.”
Philosophy of Life, Lecture 1
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Karl Wilhelm Friedrich Schlegel 67
German poet, critic and scholar 1772–1829Related quotes
Source: Die Mathematik die Fackelträgerin einer neuen Zeit (Stuttgart, 1889), p. 94.

Source: Rhetoric as Philosophy (1980), pp. 31-32
Context: In the second part of the Phaedrus Plato attempts to clarify the nature of “true” rhetoric. … it does not arise from a posterior unity which presupposes the duality of ratio and passio, but illuminates and influences the passions through its original, imaginative characters. Thus philosophy is not a posterior synthesis of pathos and logos but the original unity of the two under the power of the original archai. Plato sees true rhetoric as psychology which can fulfill its truly “moving” function only if it masters original images [eide]. Thus the true philosophy is rhetoric, and the true rhetoric is philosophy, a philosophy which does not need an “external” rhetoric to convince, and a rhetoric that does not need an “external” content of verity.

Political Theology (1922), Ch. 3 : Political Theology
Source: The Functions of the Executive (1938), p. 141

“Its easy to lose sight of what you want when you think you want everything.”
Source: Kissing the Beehive

Source: A Mathematical Theory of Systems Engineering (1967), p. 3.