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Success is not final, failure is not fatal: it is the courage to continue that counts.

In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.

音樂是我的靈魂，沒有它我什么都不是。

"The world is, in the end, what we say it is."

The end of history is not the end of events, but the end of the evolution of human political and social institutions.