The biggest risk is not taking any risk.
以太网被设计成简单、廉价且能够处理广泛应用的网络。
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
When we are planning for posterity， we ought to remember that virtue is not hereditary.
No matter what people tell you, words and ideas can change the world.