Science is what we know, and philosophy is what we don't know.
Bertrand Russell
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It seems to me that science has a much greater likelihood of being true in the main than any philosophy hitherto advanced (I do not, of course, except my own). In science there are many matters about which people are agreed; in philosophy there are none. Therefore, although each proposition in a science may be false, and it is practically certain that there are some that are false, yet we shall be wise to build our philosophy upon science, because the risk of error in philosophy is pretty sure to be greater than in science. If we could hope for certainty in philosophy, the matter would be otherwise, but so far as I can see such a hope would be chimerical.
Bertrand Russell
Not only must philosophy be in agreement with our empirical knowledge of Nature, but the origin and formation of the Philosophy of Nature presupposes and is conditioned by empirical physics. However, the course of a science's origin and the preliminaries of its construction are one thing, while the science itself is another. In the latter, the former can no longer appear as the foundation of the science; here, the foundation must be the necessity of the Concept.
Georg Wilhelm Friedrich Hegel
Philosophy is the science of estimating values. The superiority of any state or substance over another is determined by philosophy. By assigning a position of primary importance to what remains when all that is secondary has been removed, philosophy thus becomes the true index of priority or emphasis in the realm of speculative thought.
Manly Palmer Hall
Philosophy's position with regard to science, which at one time could be designated with the name "theory of knowledge," has been undermined by the movement of philosophical thought itself. Philosophy was dislodged from this position by philosophy.
Jurgen Habermasā€ˇ
We should remember that there was once a discipline called natural philosophy. Unfortunately, this discipline seems not to exist today. It has been renamed science, but science of today is in danger of losing much of the natural philosophy aspect.
Hannes Alfven
Windelband, the historian of philosophy, in his essay on the meaning of philosophy (Was ist Philosophie? in the first volume of his Präludien) tells us that "the history of the word 'philosophy' is the history of the cultural significance of science." He continues: "When scientific thought attains an independent existence as a desire for knowledge, it takes the name of philosophy; when subsequently knowledge as a whole divides into its various branches, philosophy is the general knowledge of the world that embraces all other knowledge. As soon as scientific thought stoops again to becoming a means to ethics or religious contemplation, philosophy is transformed into an art of life or into a formulation of religious beliefs. And when afterwards the scientific life regains its liberty, philosophy acquires once again its character as an independent knowledge of the world, and in so far as it abandons the attempt to solve this problem, it is changed into a theory of knowledge itself." Here you have a brief recapitulation of the history of philosophy from Thales to Kant, including the medieval scholasticism upon which it endeavored to establish religious beliefs. But has philosophy no other office to perform, and may not its office be to reflect upon the tragic sense of life itself, such as we have been studying it, to formulate this conflict between reason and faith, between science and religion, and deliberately to perpetuate this conflict?
Miguel de Unamuno
Russell, Bertrand
Russell, Bill
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