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The main thing in life is not to stop questioning. Curiosity has its own reason for existing.

If I fail, I try again, and again, and again. If YOU fail, are you going to try again? The human spirit can handle much worse than we realize. It matters HOW you are going to FINISH. Are you going to finish strong?

歷史不僅僅是一系列事件，而是人類經(jīng)驗和情感的復雜網(wǎng)絡。

Global challenges require global solutions.