我们都是自己思想的囚徒，只是有些人建造了更坚固的牢笼。
"We are all prisoners of our own minds, but some of us have built stronger cages than others."
离散数学和连续数学之间的相互作用是一些最有趣的问题所在。
"You never know how strong you are until being strong is the only choice you have."
In classical music, tradition is both our greatest asset and our heaviest burden.
主要的义务规则是那些要求或禁止某些行为的规则。