解析：告诫人们要珍惜所得。
Ethics isn't a barrier to progress—it's a guide for responsible progress.
The most expensive thing in the world is trust. It can take years to earn and just a matter of seconds to lose.
To die laughing must be the most glorious of all glorious deaths！
Humor is a way to deal with the absurdity of life.
小行动，当乘以数百万用户时，可以改变世界。
In mathematics, the art of proposing a question must be held of higher value than solving it.