The essence of education means: one tree shakes another, one cloud pushes another, one soul awakens another.
Nonviolence is a powerful and just weapon which cuts without wounding and ennobles the man who wields it.
形式语言和自动机的研究对于理解计算机科学的理论基础至关重要。
Now, my mama always told me that miracles happen every day. Some people don't think so, but they do.