在这个世界上，没有人能使你倒下，假如你自己的信念还站立的话。
In this world, no one can make you fall. If your faith still stand.
The complexity of a learning problem is often determined by the size and structure of the hypothesis space.
"The greatest magic is not in the spells we cast, but in the lives we touch."
生活中唯一的限制是你自己设定的。
Success is a journey, not a destination. Enjoy the process.