西汉时期的刘向认为，人性初无善恶之分，善恶是后天教育及环境影响的结果，因此有人生修养的必要。

Liu Xiang, born west Han Dynasty, thought that there was no distinction between good and evil about human nature, good or evil was the result of postnatal education and effect of surroundings.

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教育无痕是教育的最高境界，真爱、宽容、智慧是施教者必备的修养。

Traceless education is the supreme ambit of education. True love, tolerance and wisdom are the virtues that all educators should bear.

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