If I have seen further it is by standing on the shoulders of giants. Isaac Newton, Letter to Robert Hooke, February 5, 1675
If I have seen further it is by standing on the shoulders of giants. Isaac Newton, Letter to Robert Hooke, February 5, 1675
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دوشنبه 6 دیماه سال 1389 ساعت 08:40 ب.ظ