没有祈祷的基督徒，就像没有呼吸的生命一样不可能。
To be a Christian without prayer is no more possible than to be alive without breathing.
They say a daughter is like a vest to her mother. I’m more like a fur coat.
Customer satisfaction is worthless. Customer loyalty is priceless.
In mathematics, the art of proposing a question must be held of higher value than solving it.
The only limit to our realization of tomorrow will be our doubts of today.
世界是一个非常复杂的地方，而且它并没有变得简单。