The most important thing in mathematics is to ask the right questions.
最好的设计解决了你甚至不知道自己存在的问题。
释义:聪明人舍弃短处,发挥长处,致使取得成功。
数学是理性的音乐。
Don't stop when you're tired. Stop when you're done.
You are never too old to set another goal or to dream a new dream.