跨国合作是解决全球粮食挑战的关键。
Collaboration across borders is key to solving global food challenges.
A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.
Do not let yourself be tainted with a barren skepticism.
船在港口是安全的，但那不是船被建造的目的。
世界确实是美丽的，无数的幸福在它的广阔领域里飘来飘去。
Democracy is not just voting, it's a way of life based on the respect of diversity and tolerance.