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Innovation requires both creativity and rigor.

The future of liberal democracy depends on its ability to adapt to new challenges and to maintain the support of its citizens.

Poetry should be as sharp as a sword.

The intelligent investor is a realist who sells to optimists and buys from pessimists.

高分子化學(xué)的未來在于合成具有特定應(yīng)用定制性能的新材料。