"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."

Free education is abundant, all over the Internet. It's the desire to learn that's scarce.

The only limit to our realization of tomorrow will be our doubts of today.

Laughing is the best form of therapy.

最好的研究是由好奇心和必要性共同驱动的。

In every real man a child is hidden that wants to play.

"The things we do for love are often the most irrational."

我相信建筑是一门社会艺术。