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

The joy of mathematics lies in the journey of discovery, not just the destination.

Once you've accepted your flaws, no one can use them against you.

世界是一本书，不旅行的人只读了一页。

真正的自由是内心的自由。

The poet is a man who puts up a ladder to a star and climbs it while playing a violin.

最高的艺术是隐藏艺术。