"You have to be patient and persistent. Success doesn't come overnight."
你必须耐心和坚持。成功不会一夜之间到来。
The best way to learn mathematics is to do mathematics.
Collaboration across borders is essential—fish don't recognize national boundaries, and neither should our efforts to protect them.
The United States is experiencing a crisis of political decay, with institutions that are increasingly dysfunctional and unable to address the country's challenges.
对来自学生的批评应该本着友好的精神来接受，学习材料的积累不应该扼杀学生的独立性。
The mind is nature's answer to the challenges of existence.