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"A man's reach must exceed his grasp or what's a metaphor? – Marshall McLuhan, 'Understanding Media' (1964).
"In these days the angel of topology and the devil of abstract algebra fight for the soul of each individual mathematical domain." – Hermann Weyl (1939).
"I swear that what I went through, no animal would have gone through." This sentence, the noblest ever spoken, this sentence that defines man's place in the universe, that honors him, that re-establishes the true hierarchy, floated back into my thoughts. – Antoine de Saint-Exupéry, 'Wind, Sand and Stars'.
"The dog [in Pavlov's experiments] does not continue to salivate whenever it hears a bell unless sometimes at least an edible…
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