The only way to learn mathematics is to do mathematics.
学习数学的唯一方法就是做数学。
要理解知觉,研究其在适应中的作用。
创新不仅仅是创造新事物;它关乎改进已有的事物。
The writer must be a voice for those who have been silenced.
Change is the only constant, and adaptability is the key to thriving.