制革厂的废水是其价值观最真实的衡量标准。
A tannery's wastewater is the truest measure of its values.
The art of cryptography is to make the cost of breaking the system exceed the value of the information protected.
如果今天我不是拿破仑的话，我想成为亚历山大。
Ignoring isn’t the same as ignorance, you have to work at it.
Challenges are opportunities in disguise; embrace them with courage.
预测未来的最好方法就是创造未来。
释义：天知道，神知道，我知道，你知道。怎么能说没人知道呢？