悲伤不是一条线，让你无限远离失去。它是一个圆，你会一次又一次回到同一个地方。

Every word is a step towards understanding, but also towards confusion.

"Schreiben ist eine Art zu leben."

"The world is full of obvious things which nobody by any chance ever observes."

创新不仅仅是技术的问题；它是以创造所有利益相关者价值的方式解决现实世界的问题。