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We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil.
The day I stop believing I can win is the day I'll stop playing tennis.
Never underestimate the power of a single breakthrough to change millions of lives.
The desert teaches you the value of water, and exile teaches you the value of home.
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.