The leather industry must adapt to changing consumer demands or risk becoming obsolete.

在暴君有权杀死一个国家的权利被证明之前，一个国家在必要时杀死暴君的权利永远不会被怀疑。

We must design products with their end-of-life in mind from the very beginning.

We are all prisoners of our own lives, but some are freer than others.

解决数学问题的喜悦是无与伦比的；这是纯粹的智力胜利的时刻。

理解绘画的唯一方法是长时间地观看它。

I would argue that passion is more important than brainpower.

The actions of men are the best interpreters of their thoughts.

我不认为我做的任何事情对公众有任何兴趣。

生活工作首先勤快才能有所闲暇，一切事务都能处理得当才能逍遥自在。