I’ve learned that you have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.
我学会了你必须足够坚强才能独自站立，足够聪明才能知道何时需要帮助，并且足够勇敢去寻求帮助。
数学家的工作永无止境；总有新的问题要问，新的谜题要解。
最伟大的发明是那些最直接满足人类需求的发明。