"To those who do not know mathematics it is difficult to get across a real feeling as to the beauty, the deepest beauty, of nature ... If you want to learn about nature, to appreciate nature, it is necessary to understand the language that she speaks in. "
-Richard Feynman, The Character of Physical Law (1965) Ch. 2
"Falling in love is not at all the most stupid thing that people do, but gravitation cannot be held responsible for it." -Albert Einstein, Jotted (in German) on the margins of a letter to him (1933). Quoted in Albert Einstein, The Human Side : New Glimpses From His Archives (1981)