My motto has always been: A career open to all talents, without distinctions of birth.

"The power of words lies not in their meaning, but in their ability to evoke emotions."

I do gymnastics because I love it, not because I'm trying to be the best in the world.

两个物体的相互作用力总是大小相等，方向相反，同时出现或消失且作用于同一直线上。