Love is the source of knowledge as fire is of light.

爱情是知识的泉源，就像火是光的源泉一样。

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Imagination is more important than knowledge, because knowledge is limited, and the imagination of all the world, and promote progress, and is the source of knowledge evolution.

想像力比知识更重要，因为知识是有限的，而想像力概括着世界的一切，推动着进步，并且是知识进化的源泉。

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This is the source of knowledge!

这是知识的源泉！

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He learned from anyone who could help, regardless of the source of their knowledge or station in life.

FORBES: South to the Pole: Leadership Wins the Race

"contacting the chair of the charitable organization" and "contacting the Department of Welfare, " according to a source with knowledge of the case.

CNN: STORY HIGHLIGHTS

He says securing intellectual property (IP) ownership has become increasingly challenging because of the volume of open-source knowledge and the huge number of existing patents.

BBC: Protecting that great idea with a patent