Optimism is the most important human trait, because it allows us to evolve our ideas, to improve our situation, and to hope for a better tomorrow.

Optimism is the most important human trait, because it allows us to evolve our ideas, to improve our situation, and to hope for a better tomorrow.

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乐观是最重要的品质，因为它会让我们发展想法，然我们改进情况，让我们去盼望一个更好的未来。

Optimism is the most important human trait, because it allows us to evolve our ideas, to improve our situation, and to hope for a better tomorrow.

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