知之为知之,不知为不知,是知也.
知之为知之,不知为不知,是知也.
To know that we know what we know,and that we do not know what we do not know,that is true knowledge.
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知之为知之,不知为不知,是知也.
To know that we know what we know,and that we do not know what we do not know,that is true knowledge.
