世界是一本书，不旅行的人只读了一页。
"The world is a book, and those who do not travel read only one page."
永远不要停止学习；一旦停止，你就会开始落后。
At every crossroads on the path that leads to the future, tradition has placed 10,000 men to guard the past.
在观察的领域里，机遇只偏爱那种有准备的头脑。
Der Mensch ist ein Wesen, das immer wieder neu anfängt.
Every seed planted today is an investment in tomorrow's food supply.