When something is important enough, you do it even if the odds are not in your favor.

Collaboration across borders is key to solving global food challenges.

The only way to achieve the impossible is to believe it is possible.

解释：第一次击鼓能振作士兵们的勇气，第二次击鼓可以使士兵们的勇气低落，第三次击鼓士兵们的勇气就消失了。