科学不是形式逻辑；它和其他创造性艺术一样，需要思想的自由发挥。

The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines of the establishment.

对我来说，梦就是自然的一部分，它无意于欺骗，而是在尽力表达什么。

The artist is a receptacle for emotions that come from all over the place: from the sky, from the earth, from a scrap of paper, from a passing shape, from a spider's web.

孩子需要玩耍的自由和时间。玩耍不是奢侈品，而是必需品。