自动控制的根本问题是在存在干扰的情况下维持期望状态。

A true mathematician is always a student, always learning.

I believe in the passion of creation and the power of dreams.

You can't change the past, but you can create the future.

True leadership is about empowering others to grow.

I don't believe in luck. I believe in hard work and persistence.

"The true artist is not proud... He is aware that art is infinite and he feels distant from his goal."