卡塞尔文献展必须始终是一种冒险，而不是例行公事。

The true joy of mathematics lies in the act of discovery, not just the result.

True sustainability is about harmony with nature.

You are not the opinion of somebody who doesn't know you or care about you.

Our strength comes from our ability to adapt and evolve.

在数学中，旅程和目的地同样重要，因为正是通过发现的过程，我们才能真正学习。