自然是用数学语言写的。
"A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us."
出自汉·桓宽《盐铁论·险固》。则，就。有所准备就能先发制人，没有准备就只能受制于人，处处被动挨打。这句话言做事处世“有备无患”的重要性。
【释义】就像巍峨的大厦突然轰然倒塌，又像风中残烛昏惨惨地即将熄灭。
The most powerful tool for change is knowledge, rigorously pursued and widely shared.