Be a Street Light

Sophocles said
"One must learn by doing the thing; for though you think you know it,
you have no certainty, until you try"

這是今天的每日一句。
在Retrieval of Information in the Humanities and the social sciences: problems as Aids to Learning一書中看到的。

這是我目前英文會話課中最深的體悟。
共勉之。