The division of labour, so far as it can be introduced, occasions, in every art, a proportionable increase of the productive powers of labour.
几个世纪以来,印第安人发展了手语来传达人们感兴趣的现象。来自不同部落(FORTRAN,LISP,ALGOL,SNOBOL等)的程序员可以使用不需要他们在小马上扛黑板的程序员。
The tragedy of great power politics is that even well-intentioned states are forced to act in ways that can lead to conflict and war.