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The key to success is understanding and meeting the needs of others.

I’m interested in the idea of history as a kind of fiction.

"The serve is the most important shot in tennis."

Don't get involved in partial problems, but always take flight to where there is a free view over the whole single great problem, even if this view is still not a clear one.

In preparing for battle I have always found that plans are useless， but planning is indispensable.