外部环境我们固然很难改变,但自己的心境却可以由你自己来决定。快乐与烦恼,全在你自己的选择。某人有一大片引以为豪的草地,绿油油的草坪,非常美,可惜有许多蒲公英杂生其中,他用尽各种除草的办法,还是无可奈何。最后他只好写信向园艺所求助,在信上列举了他所用过的各种除草方法,在信的末尾,他问道:“现在我还需要做什么呢?” Although it is difficult for us to change the external environment, our own state of mind can be up to you. Happy and trouble, all in your own choice. Someone has a large grassland, green lawn, very beautiful, but unfortunately there are many dandelion miscellaneous which he exhausted all kinds of weeding approach, or helpless. In the end he had to write to the horticultural institute for help, listing various methods of weeding that he had used at the letter. At the end of the letter, he asked: “What do I still need to do now?”