The purpose of our lives is to be happy.
我们生活的目的是快乐。
教学不是注满一桶水，而是点燃一把火
没有必要把生活看得太严肃。你永远无法活着离开它。
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
What we call National-Socialism is the poisonous perversion of German ideas.
生命是一段旅程，而爱是让这段旅程变得有价值的东西。
创新不仅仅是创造新事物；而是让现有的东西更好地运作。
循环经济不是理想，只要我们致力于此，它是可以实现的现实。