The language of mathematics is universal, transcending cultural and linguistic barriers.
数学的语言是普遍的，超越了文化和语言的障碍。
自我不是现成的东西，而是通过行动选择不断形成的东西。
一本书是作者与读者之间无限的对话。
Leadership is about making tough decisions today that will benefit future generations.
Management innovation is the key to improving quality and efficiency, and we must seek benefits from management.