Source: The Cambridge Companion to Newton, 2002, p. 1
“Progress usually comes from the barbarian, and there is nothing more stagnant than the philosophy of the philosophers and the theology of the theologians.”
The Tragic Sense of Life (1913), Conclusion : Don Quixote in the Contemporary European Tragi-Comedy
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Miguel de Unamuno 199
19th-20th century Spanish writer and philosopher 1864–1936Related quotes

im Gespräch mit Hans Küng über den Weltethos, 2007, YouTube http://www.youtube.com/watch?v=3S4KhE6nzzQ#t=5m8s

“On Philosophy: To Dorothea,” in Theory as Practice (1997), p. 421

Systematic Theology (1951–63)
Context: Philosophy and theology ask the question of being. But they ask it from different perspectives. Philosophy deals with the structure of being in itself; theology deals with the meaning of being for us. From this difference convergent and divergent trends emerge in the relation of theology and philosophy.

Remarkable Quotes
Source: As quoted in “Don Pañong – Genius" by A.V.H. Hartendorp in Philippine Magazine (September 1929), p. 211.

Introduction
A Treatise of Human Nature (1739-40)
Context: Nothing is more usual and more natural for those, who pretend to discover anything new to the world in philosophy and the sciences, than to insinuate the praises of their own systems, by decrying all those, which have been advanced before them. And indeed were they content with lamenting that ignorance, which we still lie under in the most important questions, that can come before the tribunal of human reason, there are few, who have an acquaintance with the sciences, that would not readily agree with them. 'Tis easy for one of judgment and learning, to perceive the weak foundation even of those systems, which have obtained the greatest credit, and have carried their pretensions highest to accurate and profound reasoning. Principles taken upon trust, consequences lamely deduced from them, want of coherence in the parts, and of evidence in the whole, these are every where to be met with in the systems of the most eminent philosophers, and seem to have drawn disgrace upon philosophy itself.
“Complacency is the deadly enemy of spiritual progress. The contented soul is the stagnant soul.”
The Size of the Soul, p. 22

“Nothing is more vain than to seek to unite men by a philosophic minimum.”
Integral Humanism, (1936, Notre Dame Edition), p. 262.

Part 4, Section 7
A Treatise of Human Nature (1739-40), Book 1: Of the understanding
Context: This deficiency in our ideas is not, indeed, perceived in common life, nor are we sensible, that in the most usual conjunctions of cause and effect we are as ignorant of the ultimate principle, which binds them together, as in the most unusual and extraordinary. But this proceeds merely from an illusion of the imagination; and the question is, how far we ought to yield to these illusions. This question is very difficult, and reduces us to a very dangerous dilemma, whichever way we answer it. For if we assent to every trivial suggestion of the fancy; beside that these suggestions are often contrary to each other; they lead us into such errors, absurdities, and obscurities, that we must at last become asham'd of our credulity. Nothing is more dangerous to reason than the flights of the imagination, and nothing has been the occasion of more mistakes among philosophers. Men of bright fancies may in this respect be compar'd to those angels, whom the scripture represents as covering their eyes with their wings. This has already appear'd in so many instances, that we may spare ourselves the trouble of enlarging upon it any farther.