The joy of mathematics is in the journey, not just the destination.
数学的乐趣在于旅程，而不仅仅是目的地。
保持安静就是所谓的智慧洞察。
We must be vigilant and resolutely fight against all enemies, both internal and external.
The best way to predict the future is to create it.
成功是一段旅程，而不是终点。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
"The future is always beginning now."
The writer’s challenge is to find the universal in the particular.