I don’t think you can compare different eras. Every era has its own challenges and its own special things.
我认为不能比较不同的时代。每个时代都有自己的挑战和独特之处。
世间之事如同棋局般变化无常,人情则像纸一样淡薄。
The story is a vehicle to carry ideas, not the other way around.
In the realm of mathematics, every problem is an opportunity to discover something new and profound.