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The most important thing in mathematics is to ask the right questions.

Collaboration across borders is essential—no single nation holds all the answers to global food security.

Technology will lead us to new frontiers in energy exploration.

勇敢是一種德行，不僅在戰斗中，在生活中的各個方面都需要勇敢。

"Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments."