His statement that knowing oneself and one's enemy ensures victory while not knowing about either ensures defeat expresses the critical value he placed on information.

他对“知己知彼、百战百胜”的陈述解释了信息所具有的决定性价值。

Provide valuable similar content to the user on one hand so, the PV cost that also can raise oneself on the other hand and PR value are shared.

这样一方面给用户提供有价值的相似内容，另一方面也可以提高自己的PV值和PR值分享。