To live is to embrace the uncertainty of the future.
解释：神态傲慢，谁还愿意和你相处呢？最洁白的东西好像十分黑暗，最道德的人好像有所不足。
It is health that is real wealth, not gold or silver.
There is no escape from the labyrinth of existence.
可持续发展不是一种选择，而是现代经济中生存的必要条件。