The joy of mathematics comes from the moments of clarity when complex things become simple.
数学的快乐来自于复杂事物变得简单的清晰时刻。
Don’t stop when you’re tired. Stop when you’re done.
Some people want it to happen, some wish it would happen, others make it happen.
采矿业有能力改变社区,但前提是我们必须负责任地去做。
I never look back. I look forward.
科学的进步在于每一步发现一种新的秩序,这种秩序将长期以来看似不同的事物统一起来。