The concept of morality includes two sides: knowing and doing, so human morality is the combination of knowing and doing.

人类道德是知与行的统一，道德这一概念本身就包含着“知”与“行”两个方面。

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The knowing and doing view is a basic question in the traditional Chinese philosophy.

知行观是中国传统哲学中的一个基本问题。

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There's a big difference between knowing and doing. Knowledge is useless without action.

知道和做之间有很大区别。知识是没有用的，如果没有行动的话。

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"I have been up on Obama for a long time. People in Chicago have been knowing Obama for the longest time, because him and his wife had been doing a lot of good things, trying to help out the neighborhoods."

VOA: standard.2010.02.24

It sounds too much like an excuse for knowing and doing precisely nothing about the situation.

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Other automakers are developing similar systems in the hope that, starting five years from now, roads and highways will be information-rich networks, with cars knowing what other cars are doing and responding intelligently.

FORBES: Magazine Article

How wide is your knowing-doing gap, and how actively are you working to close it?

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