Life is like riding a bicycle. To keep your balance
Life is like riding a bicycle. To keep your balance, you must keep moving.
March 14, 1879 – April 18, 1955
Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). His work is also known for its influence on the philosophy of science.