Someone has a great fire in his soul andnobody ever comes to warm themselves at it, and passers-by see nothing but alittle smoke at the top of the chimney and then go on their way. 

字面意思是这样的一个画面：有个人心里有一团火，但从没有人走近这团火取暖。路人只看到了烟囱的顶部冒出来一点烟火，然后就各自走开了。

文艺一点的翻译，也就是那句，每个人的心里都有一团火，而路过的人只看到烟。