"To know and not to do is..." - Quote by Lao Tzu
To know and not to do is not yet to know.
More by Lao Tzu
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“I know nothing but the certainty of my own ignorance.”
“Really knowing is good. Not knowing, or refusing to know, is bad, or amoral, at least. You can't act if you don't know. Acting without knowing takes you right off the cliff.”
“Some people do not become thinkers simply because their memories are too good.”