你必须对自己的能力有信心,然后足够坚强地坚持下去。
You have to have confidence in your ability, and then be tough enough to follow through.
La justicia sin fuerza es impotente, la fuerza sin justicia es tiranía.
我们成功的关键在于我们作为一个团队之间的紧密联系。
One often calms one's grief by recounting it.
The joy of discovery in mathematics is unparalleled.