心灵如同冰山，浮出水面的仅占七分之一。

The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life. You can turn over a new leaf every hour if you choose.

今天投资于幼体营养研究，明天将养活数百万人。

在愿望和现实之间，世界静静等待。

"The past is never dead. It's not even past."

野心是人类心中最后死去的情感。

The child is not a passive recipient of knowledge but an active participant in the learning process.