臣民的政治自由是每个人对自己安全感的平静心态。

人生好比是一次航程。

只因为有庸俗的念头，一生的做事皆错；只因为俗眼观人，而一生没有认清朋友与敌人。

Many backward steps are made by standing still.

Sustainability is not just a trend, it's a responsibility we owe to future generations.