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The beauty of a mathematical proof lies in its simplicity and inevitability.
The only way to change the world is to change the way we think.
"Success is a lousy teacher. It seduces smart people into thinking they can't lose."
"When I approach a child, he inspires in me two sentiments: tenderness for what he is, and respect for what he may become."
I tend to think that the longer the pause, the more emphatic the statement.