"... the physicist who states a law of nature with the aid of a mathematical formula is abstracting a real feature of a real material world, even if he has to speak of numbers, vectors, tensors, state-functions, or whatever to make the abstraction." Hilary Putnam, born 31 July 1926.
"In our time of ever-increasing specialization, there is a tendency to concern ourselves with relatively narrow scientific problems. The broad foundations of our present-day scientific knowledge and its historical development tend to be forgotten too often. This is an unfortunate trend, not only because our horizon becomes rather limited and our perspective somewhat distorted, but also because there are many valuable lessons to be learned in looking back over the years during which the basic concepts and the fundamental laws of a particular scientific discipline were first formulated." Emil Wolf, born 30 July 1922.
"I think physicists are the Peter Pans of the human race. They never grow up and they keep their curiosity." Isidor Rabi, born 29 July 1898.
"It's a fantastically specialized universe, but how in the world did it happen?" Charles Hard Townes, born 28 July 1915.
"In the hands of Science and indomitable energy, results the most gigantic and absorbing may be wrought out by skilful combinations of acknowledged data and the simplest means." George Airy, born 27 July 1801.
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