成功的关键在于专注于创造价值，而不仅仅是赚钱。
The key to success is to focus on creating value, not just making money.
The best way to learn mathematics is to do mathematics.
If you want to fly, you have to give up what weighs you down.
学习数学的唯一方法就是做数学。
在未来，人们将不再被劳动异化，而是被休闲异化。