世界是一本书，不旅行的人只读了一页。
Nothing is impossible, the word itself says 'I'm possible'!
"The world is full of stories, but the stories are all one."
The future belongs to those who can balance tradition with transformation.
解释：处于安全环境时要考虑到可能出现的危险，考虑到危险就会有所准备，事先有了准备就可以避免祸患。