I know how much work it takes to get to the top, but even more to stay there.
我知道要达到顶峰需要付出多少努力，但保持在那里需要更多。
The purpose of our lives is to be happy.
对心灵的研究就是对生活应对机制的研究。
The most advanced technology is worthless if it doesn't serve the farmer's needs.
Innovation is not just about creating new products; it's about rethinking how we solve problems.
解释：国家大而政绩小，国家的影响就跟它的政绩一样；国家小而政绩大，国家的地位也大。