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"It is not in the heavens, that you should say, "Who among us can go up to the heavens and get it for us and impart it to us, that we may observe it?" (...) No, the thing is very close to you, in your mouth and in your heart, to observe it". Deuteronomy
18 de agosto de 2015
Richard Feynman
"The Character of Physical Law: 1. The Law of Gravitation"