无论是正确的还是错误的，经济学家和政治哲学家的思想都比通常理解的有力。确实，世界不受其他任何事物统治。自信不被知识分子影响的那些所谓务实的人，往往只是几个过时经济学家思想的奴隶。（Concluding Notes. p. 383-384）
The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.
Collaboration across borders is essential—no single nation holds all the answers to global food security.
成功不仅仅以利润来衡量，而是以我们创造的积极影响来衡量。
解释：没有不犯错误的完人，只要能及时改正自己的错误，就是最好的了。