滴水穿石,說的也正是這個道理吧。
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如果你能每天吶喊 10 遍「我用不著為這一點小事而煩惱」,你會發現,你心裡有一種不可思議的力量,試試看,很管用的。
If every day you say to yourself "I do not need to get worried about such a small matter as this!" ten times, you will discover that you will develop an inconceivable power within your own mind. Give it a try, it is very useful!