我们生活的目的是快乐。
The minute you stop learning, you stop growing.
The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.
世界上充满了神奇的事物,耐心地等待我们的感官变得更敏锐。
生活的美妙之处在于它永远不会如你所想的那样发展。