数学中的合作是必不可少的；思想的交流导致了任何单一思维都无法独自实现的突破。
Collaboration in mathematics is essential; the exchange of ideas leads to breakthroughs that no single mind could achieve alone.
Confidence comes from preparation. Know your stuff inside out.
"The most rewarding part of acting is the discovery of the unknown within yourself."
伦理学是对什么是善的一般性探究。