学习数学的唯一方法就是做数学。
Do not weep; do not wax indignant. Understand.
即使状态不佳，我也总是努力寻找获胜的方法。
To write is to carve words into the flesh of time.
The truth is rarely pure and never simple.
挑战在于让不可见的东西变得可见。
The knowledge of the past stays with us to spur us on to new achievements.
生活的艺术在于知道何时坚持，何时放手。