Customer satisfaction is the only currency that matters in the long run.
从长远来看，客户满意度是唯一重要的货币。
追求数学知识是一段永无止境的旅程。
"The principles of a free society are essential for human progress and prosperity."
The stock market is a device for transferring money from the impatient to the patient.
"The best books are the ones that make you feel less alone."
"In the end, we will remember not the words of our enemies, but the silence of our friends."