A Brief History of Time

by Stephen Hawking

“supergravity,”

It seems clear then that life, at least as we know it, can exist only in regions of space-time in which one time dimension and three space dimensions are not curled up small.

Einstein’s earliest political activity came during the First World War, when he was a professor in Berlin. Sickened by what he saw as the waste of human lives, he became involved in antiwar demonstrations. His advocacy of civil disobedience and public encouragement of people to refuse conscription did little to endear him to his colleagues.

His vocal support of the Zionist cause, however, was duly recognized in 1952, when he was offered the presidency of Israel.

!!!!!

“Equations are more important to me, because politics is for the present, but an equation is something for eternity.”

Galileo, perhaps more than any other single person, was responsible for the birth of modern science.

Dialogue Concerning the Two Chief World Systems,

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Copernicanism,