Political freedom must accompany material progress.

政治自由与物质进步必须双管齐下.

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These are values which we must not sacrifice unheedingly in pursuit of material progress.

这些都是我们在追求物质进步时绝不能轻易牺牲的价值.

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It is a similar story with economic growth, the other source of material progress.

作为物质进步的另一源泉——经济成长, 也有跟科学类似的故事.

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Instead the modern age has belonged to material progress and its predominant source has been science.

摩登年代属于物质的进步,占优势的资源是科学.

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