My life I never held but as a pawn to wage against your enemies.

释义：以自己的欲望去顺从他人的人会昌盛，以他人的欢乐来满足自己私欲的人会灭亡。这句话强调了顺应民意与自私自利的不同结局。 

The capacity of the human mind for formulating and solving complex problems is very small compared with the size of the problems whose solution is required for objectively rational behavior in the real world.

解释：对于一件事情的利害得失，只有有智慧的人才能分辨清楚。