"The way you think about time changes as you get older."

我明白了压力是一种特权。

The secret of life is not just to survive, but to thrive with passion, compassion, humor, and style.

漂亮的女人休要让她老去，风流浪的子不要让他贫困。

在数学中，提出问题的艺术必须比解决问题更有价值。