I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use. - Galileo Galilei
Source: http://www.brainyquote.com/quotes/authors/g/galileo_galilei.html
. . . my work, which I've done for a long time, was not pursued in order to gain the praise I now enjoy, but chiefly from a craving after knowledge, which I notice resides in me more than in most other men. And therewithal, whenever I found out anything remarkable, I have thought it my duty to put down my discovery on paper, so that all ingenious people might be informed thereof.
- Antony van Leeuwenhoek. Letter of June 12, 1716
Source: http://www.ucmp.berkeley.edu/history/leeuwenhoek.html
If I have seen further than others, it is by standing upon the shoulders of giants. - Isaac Newton
Source: http://www.brainyquote.com/quotes/authors/i/isaac_newton.html
The truth is, the science of Nature has already been too long made only a work of the brain and the fancy. It is now high time that it should return to the plainness and soundness of observations on material and obvious things. - Robert Hooke, Micrographia 1665
Source: http://www-history.mcs.st-and.ac.uk/Quotations/Hooke.html
