译文：知道的闲事和结识的闲人越多，招惹的是非烦恼就越多。赏析：人要多做事，少说话，不去结交造谣生事，说三道四，品行极差的人。

经济学的奇妙任务是向人们展示，他们对自己想象中能够设计的东西知之甚少。

Cheerfulness is the best promoter of health and is as friendly to the mind as to the body.

To be without some of the things you want is an indispensable part of happiness.

Never underestimate the power of observation—sometimes the smallest detail leads to the biggest discovery.