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The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.

過去是一個影子，總是跟隨，但從未追上。

最可持續(xù)的資源是人類的智慧。

Nothing is a waste of time if you use the experience wisely.