Imparting knowledge is only lighting other men's candles at our lamp without depriving ourselves of any flame.

Imparting knowledge is only lighting other men's candles at our lamp without depriving ourselves of any flame.

传授知识只是在我们的灯前点燃别人的蜡烛，而不使自己失去任何火焰。

-- Jane Porter 简·波特