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Robert A. Heinlein Quote
Never worry about theory as long as the machinery does what it's supposed to do.
– Robert A. Heinlein
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Popular
Browse Popular Topics
Daily Quotes
Image Quotes
Moving On
Life
Education
Change
Motivational
Health
Death
Character
Success
Business
Friendship
Mark Twain
Oscar Wilde
George Washington
Sir Winston Churchill
Albert Einstein
Fyodor Dostoevsky
Woody Allen
Robert Frost