the secret of being miserable is to have the leisure to bother about whether you are happy or not. So don’t bother to think about it! Spit on your hands and get busy. Your blood will start circulating; your mind will start ticking and pretty soon this whole positive upsurge of life in your body will drive worry from your mind. 

    Get busy. Keep busy. It’s the cheapest kind of medicine there is on this earth and one of the best. 

    令自己感到沮丧的秘诀就是用空闲时间去烦恼自己是否快乐。所以不要费事去想它！摩拳擦掌干起来吧。你将热血沸腾，你会头脑清醒。很快，在你身体中的这种高涨的积极人生观将把烦恼从你的头脑中赶出去。

    行动起来，忙碌起来。这是世界上最便宜的一种药，也是最好的一种。