The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
寫作是聆聽宇宙低語的藝術(shù)。
Reinforcement is the central factor in the acquisition of new behavior patterns.
我們都知道，兒童發(fā)展的時期是一生最重要的時期。道德的營養(yǎng)不良和精神的中毒對人的心靈的危害正如身體的營養(yǎng)不良對于身體健康的危害一樣。所以，兒童教育是人類展重要的一個問題。
The more you know about something, the more interesting it becomes.