定义就是限制。

每一次挫折都是卷土重来的铺垫。

Don't get involved in partial problems, but always take flight to where there is a free view over the whole single great problem, even if this view is still not a clear one.

书籍是释放我们改变潜力的钥匙。

Der Mensch ist ein Wesen, das immer wieder neu anfängt.

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

使用的自由是空间最重要的品质

数学家是将咖啡转化为定理的装置。