"القراءة تصنع إنساناً كاملاً، والمشورة تصنع إنساناً مستعداً، والكتابة تصنع إنساناً دقيقاً." —احصل علي عروض وخصومات خاصة عن طريق واتساب 0096550300046 -- شحن الي كافة انحاء العالم
Albert Einstein was a German-born theoretical physicist best known for developing the theory of relativity. Einstein also made important contributions to quantum theory. His mass–energy equivalence formula E = mc², which arises from special relativity, has been called "the world's most famous equation
