All our thoughts and concepts are called up by sense-experiences and have a meaning only in reference to these sense-experiences. On the other hand, however, they are products of the spontaneous activity of our minds they are thus in no wise logical consequences of the contents of these sense-experiences. If, therefore, we wish to grasp the essence of a complex of abstract notions we must for the one part investigate the mutual relationships between the concepts and the assertions made about them for the other, we must investigate how they are related to the experiences.Rate it:(0.00 / 0 votes)Say it

Albert Einstein

physicist born in Germany who formulated the special theory of relativity and the general theory of relativity; Einstein also proposed that light consists of discrete quantized bundles of energy (later called photons) (1879-1955)

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"Albert Einstein Quotes." Quotes.net. STANDS4 LLC, 2014. Web. 31 Oct. 2014. <http://www.quotes.net/quote/9272>.

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