网球是一项心理游戏。每个人都健康，每个人都打出很棒的正手和反手——重要的是头脑。

As we delve deeper into the quantum world, the importance of topology in understanding and manipulating quantum states becomes increasingly clear.

I start early and I stay late, day after day, year after year. It took me 17 years and 114 days to become an overnight success.

Not hammer-strokes， but dance of the water sings the pebbles into perfection。

"We travel not to escape life, but for life not to escape us."