Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century. ...

General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century. (Stephen Hawking)

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Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.

Stephen Hawking Quotes: General theory of relativity and quantum mechanics. They are the great intellectual achievements of the first half of this century.