最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。
The dead are not dead. They are alive in memory.
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
纪念碑是变化城市中的一个固定点。
The more you invest in a relationship, the more valuable it becomes.