The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.

外交需要保持冷静和理智，不受情绪和个人偏见的影响。

真正的可持续性是与自然的和谐。

人生要么按照自己的意愿生活，要么按照别人的意愿生活。

Sustainability is not an option; it's a necessity for long-term success.